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Finding the Third Proportional to 25,221,396 and 54,310,978

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Solution

The third proportional to 25,221,396 and 54,310,978 is: 116,951,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221,396 : 54,310,978 = 54,310,978 : x
  2. Step 2: Convert to fraction form
    25,221,396/54,310,978 = 54,310,978/x
  3. Step 3: Cross multiply
    25,221,396x = 54,310,978 × 54,310,978
  4. Step 4: Simplify right side
    25,221,396x = 2,949,682,331,316,484
  5. Step 5: Solve for x
    x = 2,949,682,331,316,484/25,221,396
  6. Step 6: Final answer
    x = 116,951,588.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.