Home / 424,402-576,729

Finding the Third Proportional to 424,402 and 576,729

Calculator

Solution

The third proportional to 424,402 and 576,729 is: 783,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,402 : 576,729 = 576,729 : x
  2. Step 2: Convert to fraction form
    424,402/576,729 = 576,729/x
  3. Step 3: Cross multiply
    424,402x = 576,729 × 576,729
  4. Step 4: Simplify right side
    424,402x = 332,616,339,441
  5. Step 5: Solve for x
    x = 332,616,339,441/424,402
  6. Step 6: Final answer
    x = 783,729.43

Related Problems

Find third proportional to 212,201 and 288,364.50
Half scale
Find third proportional to 848,804 and 1,153,458
Double scale
Find third proportional to 424,404 and 576,732
Similar ratio
Find third proportional to 636,603 and 865,093.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.