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Finding the Third Proportional to 130,479,964 and 207,291,402

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Solution

The third proportional to 130,479,964 and 207,291,402 is: 329,320,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479,964 : 207,291,402 = 207,291,402 : x
  2. Step 2: Convert to fraction form
    130,479,964/207,291,402 = 207,291,402/x
  3. Step 3: Cross multiply
    130,479,964x = 207,291,402 × 207,291,402
  4. Step 4: Simplify right side
    130,479,964x = 42,969,725,343,125,600
  5. Step 5: Solve for x
    x = 42,969,725,343,125,600/130,479,964
  6. Step 6: Final answer
    x = 329,320,487.42

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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.