Home / 286,381-565,538

Finding the Third Proportional to 286,381 and 565,538

Calculator

Solution

The third proportional to 286,381 and 565,538 is: 1,116,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,381 : 565,538 = 565,538 : x
  2. Step 2: Convert to fraction form
    286,381/565,538 = 565,538/x
  3. Step 3: Cross multiply
    286,381x = 565,538 × 565,538
  4. Step 4: Simplify right side
    286,381x = 319,833,229,444
  5. Step 5: Solve for x
    x = 319,833,229,444/286,381
  6. Step 6: Final answer
    x = 1,116,810.23

Related Problems

Find third proportional to 143,190.50 and 282,769
Half scale
Find third proportional to 572,762 and 1,131,076
Double scale
Find third proportional to 286,383 and 565,542
Similar ratio
Find third proportional to 429,571.50 and 848,307
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.