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Finding the Third Proportional to 57,115,364 and 87,012,206

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Solution

The third proportional to 57,115,364 and 87,012,206 is: 132,558,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115,364 : 87,012,206 = 87,012,206 : x
  2. Step 2: Convert to fraction form
    57,115,364/87,012,206 = 87,012,206/x
  3. Step 3: Cross multiply
    57,115,364x = 87,012,206 × 87,012,206
  4. Step 4: Simplify right side
    57,115,364x = 7,571,123,992,986,436
  5. Step 5: Solve for x
    x = 7,571,123,992,986,436/57,115,364
  6. Step 6: Final answer
    x = 132,558,447.72

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.