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Finding the Third Proportional to 35,387 and 77,337

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Solution

The third proportional to 35,387 and 77,337 is: 169,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387 : 77,337 = 77,337 : x
  2. Step 2: Convert to fraction form
    35,387/77,337 = 77,337/x
  3. Step 3: Cross multiply
    35,387x = 77,337 × 77,337
  4. Step 4: Simplify right side
    35,387x = 5,981,011,569
  5. Step 5: Solve for x
    x = 5,981,011,569/35,387
  6. Step 6: Final answer
    x = 169,017.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.