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Finding the Third Proportional to 34,572 and 75,402

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Solution

The third proportional to 34,572 and 75,402 is: 164,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,572 : 75,402 = 75,402 : x
  2. Step 2: Convert to fraction form
    34,572/75,402 = 75,402/x
  3. Step 3: Cross multiply
    34,572x = 75,402 × 75,402
  4. Step 4: Simplify right side
    34,572x = 5,685,461,604
  5. Step 5: Solve for x
    x = 5,685,461,604/34,572
  6. Step 6: Final answer
    x = 164,452.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.