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Finding the Third Proportional to 61,249 and 79,237

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Solution

The third proportional to 61,249 and 79,237 is: 102,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,249 : 79,237 = 79,237 : x
  2. Step 2: Convert to fraction form
    61,249/79,237 = 79,237/x
  3. Step 3: Cross multiply
    61,249x = 79,237 × 79,237
  4. Step 4: Simplify right side
    61,249x = 6,278,502,169
  5. Step 5: Solve for x
    x = 6,278,502,169/61,249
  6. Step 6: Final answer
    x = 102,507.83

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.