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Finding the Third Proportional to 100,724 and 148,302

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Solution

The third proportional to 100,724 and 148,302 is: 218,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724 : 148,302 = 148,302 : x
  2. Step 2: Convert to fraction form
    100,724/148,302 = 148,302/x
  3. Step 3: Cross multiply
    100,724x = 148,302 × 148,302
  4. Step 4: Simplify right side
    100,724x = 21,993,483,204
  5. Step 5: Solve for x
    x = 21,993,483,204/100,724
  6. Step 6: Final answer
    x = 218,353.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.