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Finding the Third Proportional to 71,712,108 and 154,395,846

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Solution

The third proportional to 71,712,108 and 154,395,846 is: 332,413,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,712,108 : 154,395,846 = 154,395,846 : x
  2. Step 2: Convert to fraction form
    71,712,108/154,395,846 = 154,395,846/x
  3. Step 3: Cross multiply
    71,712,108x = 154,395,846 × 154,395,846
  4. Step 4: Simplify right side
    71,712,108x = 23,838,077,262,055,716
  5. Step 5: Solve for x
    x = 23,838,077,262,055,716/71,712,108
  6. Step 6: Final answer
    x = 332,413,562.05

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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.