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Finding the Third Proportional to 15,326,909 and 25,543,819.50

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Solution

The third proportional to 15,326,909 and 25,543,819.50 is: 42,571,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326,909 : 25,543,819.50 = 25,543,819.50 : x
  2. Step 2: Convert to fraction form
    15,326,909/25,543,819.50 = 25,543,819.50/x
  3. Step 3: Cross multiply
    15,326,909x = 25,543,819.50 × 25,543,819.50
  4. Step 4: Simplify right side
    15,326,909x = 652,486,714,648,580.25
  5. Step 5: Solve for x
    x = 652,486,714,648,580.25/15,326,909
  6. Step 6: Final answer
    x = 42,571,317.85

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.