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Finding the Third Proportional to 252,061 and 553,817

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Solution

The third proportional to 252,061 and 553,817 is: 1,216,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,061 : 553,817 = 553,817 : x
  2. Step 2: Convert to fraction form
    252,061/553,817 = 553,817/x
  3. Step 3: Cross multiply
    252,061x = 553,817 × 553,817
  4. Step 4: Simplify right side
    252,061x = 306,713,269,489
  5. Step 5: Solve for x
    x = 306,713,269,489/252,061
  6. Step 6: Final answer
    x = 1,216,821.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.