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Finding the Third Proportional to 416,356 and 658,636

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Solution

The third proportional to 416,356 and 658,636 is: 1,041,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,356 : 658,636 = 658,636 : x
  2. Step 2: Convert to fraction form
    416,356/658,636 = 658,636/x
  3. Step 3: Cross multiply
    416,356x = 658,636 × 658,636
  4. Step 4: Simplify right side
    416,356x = 433,801,380,496
  5. Step 5: Solve for x
    x = 433,801,380,496/416,356
  6. Step 6: Final answer
    x = 1,041,900.15

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.