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Finding the Third Proportional to 31,191,908 and 69,555,754

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Solution

The third proportional to 31,191,908 and 69,555,754 is: 155,104,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191,908 : 69,555,754 = 69,555,754 : x
  2. Step 2: Convert to fraction form
    31,191,908/69,555,754 = 69,555,754/x
  3. Step 3: Cross multiply
    31,191,908x = 69,555,754 × 69,555,754
  4. Step 4: Simplify right side
    31,191,908x = 4,838,002,914,508,516
  5. Step 5: Solve for x
    x = 4,838,002,914,508,516/31,191,908
  6. Step 6: Final answer
    x = 155,104,423.70

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These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.