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Finding the Third Proportional to 75,402 and 116,644

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Solution

The third proportional to 75,402 and 116,644 is: 180,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402 : 116,644 = 116,644 : x
  2. Step 2: Convert to fraction form
    75,402/116,644 = 116,644/x
  3. Step 3: Cross multiply
    75,402x = 116,644 × 116,644
  4. Step 4: Simplify right side
    75,402x = 13,605,822,736
  5. Step 5: Solve for x
    x = 13,605,822,736/75,402
  6. Step 6: Final answer
    x = 180,443.79

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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.