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Finding the Third Proportional to 341,688 and 747,729

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Solution

The third proportional to 341,688 and 747,729 is: 1,636,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,688 : 747,729 = 747,729 : x
  2. Step 2: Convert to fraction form
    341,688/747,729 = 747,729/x
  3. Step 3: Cross multiply
    341,688x = 747,729 × 747,729
  4. Step 4: Simplify right side
    341,688x = 559,098,657,441
  5. Step 5: Solve for x
    x = 559,098,657,441/341,688
  6. Step 6: Final answer
    x = 1,636,284.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.