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Finding the Third Proportional to 478,542 and 743,097

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Solution

The third proportional to 478,542 and 743,097 is: 1,153,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,542 : 743,097 = 743,097 : x
  2. Step 2: Convert to fraction form
    478,542/743,097 = 743,097/x
  3. Step 3: Cross multiply
    478,542x = 743,097 × 743,097
  4. Step 4: Simplify right side
    478,542x = 552,193,151,409
  5. Step 5: Solve for x
    x = 552,193,151,409/478,542
  6. Step 6: Final answer
    x = 1,153,907.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.