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Finding the Third Proportional to 77,207,204 and 169,716,139

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Solution

The third proportional to 77,207,204 and 169,716,139 is: 373,068,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207,204 : 169,716,139 = 169,716,139 : x
  2. Step 2: Convert to fraction form
    77,207,204/169,716,139 = 169,716,139/x
  3. Step 3: Cross multiply
    77,207,204x = 169,716,139 × 169,716,139
  4. Step 4: Simplify right side
    77,207,204x = 28,803,567,837,067,320
  5. Step 5: Solve for x
    x = 28,803,567,837,067,320/77,207,204
  6. Step 6: Final answer
    x = 373,068,397.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.