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Finding the Third Proportional to 31,875,138 and 47,845,339

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Solution

The third proportional to 31,875,138 and 47,845,339 is: 71,816,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875,138 : 47,845,339 = 47,845,339 : x
  2. Step 2: Convert to fraction form
    31,875,138/47,845,339 = 47,845,339/x
  3. Step 3: Cross multiply
    31,875,138x = 47,845,339 × 47,845,339
  4. Step 4: Simplify right side
    31,875,138x = 2,289,176,464,024,921
  5. Step 5: Solve for x
    x = 2,289,176,464,024,921/31,875,138
  6. Step 6: Final answer
    x = 71,816,989.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.