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Finding the Third Proportional to 99,320 and 153,882

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Solution

The third proportional to 99,320 and 153,882 is: 238,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,320 : 153,882 = 153,882 : x
  2. Step 2: Convert to fraction form
    99,320/153,882 = 153,882/x
  3. Step 3: Cross multiply
    99,320x = 153,882 × 153,882
  4. Step 4: Simplify right side
    99,320x = 23,679,669,924
  5. Step 5: Solve for x
    x = 23,679,669,924/99,320
  6. Step 6: Final answer
    x = 238,417.94

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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.