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Finding the Third Proportional to 115,012,160 and 247,561,872

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Solution

The third proportional to 115,012,160 and 247,561,872 is: 532,873,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,012,160 : 247,561,872 = 247,561,872 : x
  2. Step 2: Convert to fraction form
    115,012,160/247,561,872 = 247,561,872/x
  3. Step 3: Cross multiply
    115,012,160x = 247,561,872 × 247,561,872
  4. Step 4: Simplify right side
    115,012,160x = 61,286,880,468,144,384
  5. Step 5: Solve for x
    x = 61,286,880,468,144,384/115,012,160
  6. Step 6: Final answer
    x = 532,873,049.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.