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Finding the Third Proportional to 29,278,840 and 63,597,905

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Solution

The third proportional to 29,278,840 and 63,597,905 is: 138,143,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278,840 : 63,597,905 = 63,597,905 : x
  2. Step 2: Convert to fraction form
    29,278,840/63,597,905 = 63,597,905/x
  3. Step 3: Cross multiply
    29,278,840x = 63,597,905 × 63,597,905
  4. Step 4: Simplify right side
    29,278,840x = 4,044,693,520,389,025
  5. Step 5: Solve for x
    x = 4,044,693,520,389,025/29,278,840
  6. Step 6: Final answer
    x = 138,143,912.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.