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Finding the Third Proportional to 488,292 and 746,511

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Solution

The third proportional to 488,292 and 746,511 is: 1,141,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,292 : 746,511 = 746,511 : x
  2. Step 2: Convert to fraction form
    488,292/746,511 = 746,511/x
  3. Step 3: Cross multiply
    488,292x = 746,511 × 746,511
  4. Step 4: Simplify right side
    488,292x = 557,278,673,121
  5. Step 5: Solve for x
    x = 557,278,673,121/488,292
  6. Step 6: Final answer
    x = 1,141,281.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.