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Finding the Third Proportional to 91,488 and 195,660

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Solution

The third proportional to 91,488 and 195,660 is: 418,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,488 : 195,660 = 195,660 : x
  2. Step 2: Convert to fraction form
    91,488/195,660 = 195,660/x
  3. Step 3: Cross multiply
    91,488x = 195,660 × 195,660
  4. Step 4: Simplify right side
    91,488x = 38,282,835,600
  5. Step 5: Solve for x
    x = 38,282,835,600/91,488
  6. Step 6: Final answer
    x = 418,446.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.