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Finding the Third Proportional to 69,908,044 and 108,542,700

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Solution

The third proportional to 69,908,044 and 108,542,700 is: 168,528,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908,044 : 108,542,700 = 108,542,700 : x
  2. Step 2: Convert to fraction form
    69,908,044/108,542,700 = 108,542,700/x
  3. Step 3: Cross multiply
    69,908,044x = 108,542,700 × 108,542,700
  4. Step 4: Simplify right side
    69,908,044x = 11,781,517,723,290,000
  5. Step 5: Solve for x
    x = 11,781,517,723,290,000/69,908,044
  6. Step 6: Final answer
    x = 168,528,785.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.