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Finding the Third Proportional to 130,479,900 and 207,291,306

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Solution

The third proportional to 130,479,900 and 207,291,306 is: 329,320,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479,900 : 207,291,306 = 207,291,306 : x
  2. Step 2: Convert to fraction form
    130,479,900/207,291,306 = 207,291,306/x
  3. Step 3: Cross multiply
    130,479,900x = 207,291,306 × 207,291,306
  4. Step 4: Simplify right side
    130,479,900x = 42,969,685,543,185,632
  5. Step 5: Solve for x
    x = 42,969,685,543,185,632/130,479,900
  6. Step 6: Final answer
    x = 329,320,343.92

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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.