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Finding the Third Proportional to 7,210,448 and 11,229,520

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Solution

The third proportional to 7,210,448 and 11,229,520 is: 17,488,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,448 : 11,229,520 = 11,229,520 : x
  2. Step 2: Convert to fraction form
    7,210,448/11,229,520 = 11,229,520/x
  3. Step 3: Cross multiply
    7,210,448x = 11,229,520 × 11,229,520
  4. Step 4: Simplify right side
    7,210,448x = 126,102,119,430,400
  5. Step 5: Solve for x
    x = 126,102,119,430,400/7,210,448
  6. Step 6: Final answer
    x = 17,488,805.05

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.