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Finding the Third Proportional to 79,894,132.31 and 171,922,834.13

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Solution

The third proportional to 79,894,132.31 and 171,922,834.13 is: 369,957,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894,132.31 : 171,922,834.13 = 171,922,834.13 : x
  2. Step 2: Convert to fraction form
    79,894,132.31/171,922,834.13 = 171,922,834.13/x
  3. Step 3: Cross multiply
    79,894,132.31x = 171,922,834.13 × 171,922,834.13
  4. Step 4: Simplify right side
    79,894,132.31x = 29,557,460,893,572,264
  5. Step 5: Solve for x
    x = 29,557,460,893,572,264/79,894,132.31
  6. Step 6: Final answer
    x = 369,957,843.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.