Home / 455,039,538-687,341,438

Finding the Third Proportional to 455,039,538 and 687,341,438

Calculator

Solution

The third proportional to 455,039,538 and 687,341,438 is: 1,038,235,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,039,538 : 687,341,438 = 687,341,438 : x
  2. Step 2: Convert to fraction form
    455,039,538/687,341,438 = 687,341,438/x
  3. Step 3: Cross multiply
    455,039,538x = 687,341,438 × 687,341,438
  4. Step 4: Simplify right side
    455,039,538x = 472,438,252,391,907,840
  5. Step 5: Solve for x
    x = 472,438,252,391,907,840/455,039,538
  6. Step 6: Final answer
    x = 1,038,235,610.18

Related Problems

Find third proportional to 227,519,769 and 343,670,719
Half scale
Find third proportional to 910,079,076 and 1,374,682,876
Double scale
Find third proportional to 455,039,540 and 687,341,441
Similar ratio
Find third proportional to 682,559,307 and 1,031,012,157
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.