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Finding the Third Proportional to 130,479,902 and 207,291,309

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Solution

The third proportional to 130,479,902 and 207,291,309 is: 329,320,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479,902 : 207,291,309 = 207,291,309 : x
  2. Step 2: Convert to fraction form
    130,479,902/207,291,309 = 207,291,309/x
  3. Step 3: Cross multiply
    130,479,902x = 207,291,309 × 207,291,309
  4. Step 4: Simplify right side
    130,479,902x = 42,969,686,786,933,480
  5. Step 5: Solve for x
    x = 42,969,686,786,933,480/130,479,902
  6. Step 6: Final answer
    x = 329,320,348.41

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.