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Finding the Third Proportional to 238,641 and 514,647

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Solution

The third proportional to 238,641 and 514,647 is: 1,109,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,641 : 514,647 = 514,647 : x
  2. Step 2: Convert to fraction form
    238,641/514,647 = 514,647/x
  3. Step 3: Cross multiply
    238,641x = 514,647 × 514,647
  4. Step 4: Simplify right side
    238,641x = 264,861,534,609
  5. Step 5: Solve for x
    x = 264,861,534,609/238,641
  6. Step 6: Final answer
    x = 1,109,874.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.