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Finding the Third Proportional to 126,904,213.13 and 171,223,579.69

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Solution

The third proportional to 126,904,213.13 and 171,223,579.69 is: 231,020,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,213.13 : 171,223,579.69 = 171,223,579.69 : x
  2. Step 2: Convert to fraction form
    126,904,213.13/171,223,579.69 = 171,223,579.69/x
  3. Step 3: Cross multiply
    126,904,213.13x = 171,223,579.69 × 171,223,579.69
  4. Step 4: Simplify right side
    126,904,213.13x = 29,317,514,241,001,664
  5. Step 5: Solve for x
    x = 29,317,514,241,001,664/126,904,213.13
  6. Step 6: Final answer
    x = 231,020,811.04

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.