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Finding the Third Proportional to 79,854 and 124,146

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Solution

The third proportional to 79,854 and 124,146 is: 193,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,854 : 124,146 = 124,146 : x
  2. Step 2: Convert to fraction form
    79,854/124,146 = 124,146/x
  3. Step 3: Cross multiply
    79,854x = 124,146 × 124,146
  4. Step 4: Simplify right side
    79,854x = 15,412,229,316
  5. Step 5: Solve for x
    x = 15,412,229,316/79,854
  6. Step 6: Final answer
    x = 193,005.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.