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Finding the Third Proportional to 35,220 and 54,607

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Solution

The third proportional to 35,220 and 54,607 is: 84,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,220 : 54,607 = 54,607 : x
  2. Step 2: Convert to fraction form
    35,220/54,607 = 54,607/x
  3. Step 3: Cross multiply
    35,220x = 54,607 × 54,607
  4. Step 4: Simplify right side
    35,220x = 2,981,924,449
  5. Step 5: Solve for x
    x = 2,981,924,449/35,220
  6. Step 6: Final answer
    x = 84,665.66

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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.