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Finding the Third Proportional to 61,299,400 and 130,926,872

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Solution

The third proportional to 61,299,400 and 130,926,872 is: 279,641,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,299,400 : 130,926,872 = 130,926,872 : x
  2. Step 2: Convert to fraction form
    61,299,400/130,926,872 = 130,926,872/x
  3. Step 3: Cross multiply
    61,299,400x = 130,926,872 × 130,926,872
  4. Step 4: Simplify right side
    61,299,400x = 17,141,845,811,704,384
  5. Step 5: Solve for x
    x = 17,141,845,811,704,384/61,299,400
  6. Step 6: Final answer
    x = 279,641,331.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.