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Finding the Third Proportional to 9,991,937.25 and 20,769,291

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Solution

The third proportional to 9,991,937.25 and 20,769,291 is: 43,171,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,937.25 : 20,769,291 = 20,769,291 : x
  2. Step 2: Convert to fraction form
    9,991,937.25/20,769,291 = 20,769,291/x
  3. Step 3: Cross multiply
    9,991,937.25x = 20,769,291 × 20,769,291
  4. Step 4: Simplify right side
    9,991,937.25x = 431,363,448,642,681
  5. Step 5: Solve for x
    x = 431,363,448,642,681/9,991,937.25
  6. Step 6: Final answer
    x = 43,171,152.69

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.