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Finding the Third Proportional to 7,138,969 and 10,724,279

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Solution

The third proportional to 7,138,969 and 10,724,279 is: 16,110,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,969 : 10,724,279 = 10,724,279 : x
  2. Step 2: Convert to fraction form
    7,138,969/10,724,279 = 10,724,279/x
  3. Step 3: Cross multiply
    7,138,969x = 10,724,279 × 10,724,279
  4. Step 4: Simplify right side
    7,138,969x = 115,010,160,069,841
  5. Step 5: Solve for x
    x = 115,010,160,069,841/7,138,969
  6. Step 6: Final answer
    x = 16,110,191.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.