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Finding the Third Proportional to 75,724 and 117,237

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Solution

The third proportional to 75,724 and 117,237 is: 181,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,724 : 117,237 = 117,237 : x
  2. Step 2: Convert to fraction form
    75,724/117,237 = 117,237/x
  3. Step 3: Cross multiply
    75,724x = 117,237 × 117,237
  4. Step 4: Simplify right side
    75,724x = 13,744,514,169
  5. Step 5: Solve for x
    x = 13,744,514,169/75,724
  6. Step 6: Final answer
    x = 181,508.03

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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.