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Finding the Third Proportional to 12,487,419 and 25,319,317.50

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Solution

The third proportional to 12,487,419 and 25,319,317.50 is: 51,337,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,419 : 25,319,317.50 = 25,319,317.50 : x
  2. Step 2: Convert to fraction form
    12,487,419/25,319,317.50 = 25,319,317.50/x
  3. Step 3: Cross multiply
    12,487,419x = 25,319,317.50 × 25,319,317.50
  4. Step 4: Simplify right side
    12,487,419x = 641,067,838,665,806.25
  5. Step 5: Solve for x
    x = 641,067,838,665,806.25/12,487,419
  6. Step 6: Final answer
    x = 51,337,096.85

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.