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Finding the Third Proportional to 71,972,748 and 155,414,029

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Solution

The third proportional to 71,972,748 and 155,414,029 is: 335,592,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,972,748 : 155,414,029 = 155,414,029 : x
  2. Step 2: Convert to fraction form
    71,972,748/155,414,029 = 155,414,029/x
  3. Step 3: Cross multiply
    71,972,748x = 155,414,029 × 155,414,029
  4. Step 4: Simplify right side
    71,972,748x = 24,153,520,410,012,840
  5. Step 5: Solve for x
    x = 24,153,520,410,012,840/71,972,748
  6. Step 6: Final answer
    x = 335,592,583.04

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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.