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Finding the Third Proportional to 130,479,950 and 207,291,382

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Solution

The third proportional to 130,479,950 and 207,291,382 is: 329,320,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479,950 : 207,291,382 = 207,291,382 : x
  2. Step 2: Convert to fraction form
    130,479,950/207,291,382 = 207,291,382/x
  3. Step 3: Cross multiply
    130,479,950x = 207,291,382 × 207,291,382
  4. Step 4: Simplify right side
    130,479,950x = 42,969,717,051,469,920
  5. Step 5: Solve for x
    x = 42,969,717,051,469,920/130,479,950
  6. Step 6: Final answer
    x = 329,320,459.21

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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.