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Finding the Third Proportional to 69,926,454 and 109,451,754

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Solution

The third proportional to 69,926,454 and 109,451,754 is: 171,318,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,926,454 : 109,451,754 = 109,451,754 : x
  2. Step 2: Convert to fraction form
    69,926,454/109,451,754 = 109,451,754/x
  3. Step 3: Cross multiply
    69,926,454x = 109,451,754 × 109,451,754
  4. Step 4: Simplify right side
    69,926,454x = 11,979,686,453,676,516
  5. Step 5: Solve for x
    x = 11,979,686,453,676,516/69,926,454
  6. Step 6: Final answer
    x = 171,318,374.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.