Home / 366,130-788,438

Finding the Third Proportional to 366,130 and 788,438

Calculator

Solution

The third proportional to 366,130 and 788,438 is: 1,697,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,130 : 788,438 = 788,438 : x
  2. Step 2: Convert to fraction form
    366,130/788,438 = 788,438/x
  3. Step 3: Cross multiply
    366,130x = 788,438 × 788,438
  4. Step 4: Simplify right side
    366,130x = 621,634,479,844
  5. Step 5: Solve for x
    x = 621,634,479,844/366,130
  6. Step 6: Final answer
    x = 1,697,851.80

Related Problems

Find third proportional to 183,065 and 394,219
Half scale
Find third proportional to 732,260 and 1,576,876
Double scale
Find third proportional to 366,132 and 788,442
Similar ratio
Find third proportional to 549,195 and 1,182,657
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.