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Finding the Third Proportional to 9,218,299 and 13,279,320.50

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Solution

The third proportional to 9,218,299 and 13,279,320.50 is: 19,129,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,299 : 13,279,320.50 = 13,279,320.50 : x
  2. Step 2: Convert to fraction form
    9,218,299/13,279,320.50 = 13,279,320.50/x
  3. Step 3: Cross multiply
    9,218,299x = 13,279,320.50 × 13,279,320.50
  4. Step 4: Simplify right side
    9,218,299x = 176,340,352,941,720.25
  5. Step 5: Solve for x
    x = 176,340,352,941,720.25/9,218,299
  6. Step 6: Final answer
    x = 19,129,380.91

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.