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Finding the Third Proportional to 75,402 and 165,708

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Solution

The third proportional to 75,402 and 165,708 is: 364,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402 : 165,708 = 165,708 : x
  2. Step 2: Convert to fraction form
    75,402/165,708 = 165,708/x
  3. Step 3: Cross multiply
    75,402x = 165,708 × 165,708
  4. Step 4: Simplify right side
    75,402x = 27,459,141,264
  5. Step 5: Solve for x
    x = 27,459,141,264/75,402
  6. Step 6: Final answer
    x = 364,169.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.