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Finding the Third Proportional to 87,323 and 133,492

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Solution

The third proportional to 87,323 and 133,492 is: 204,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,323 : 133,492 = 133,492 : x
  2. Step 2: Convert to fraction form
    87,323/133,492 = 133,492/x
  3. Step 3: Cross multiply
    87,323x = 133,492 × 133,492
  4. Step 4: Simplify right side
    87,323x = 17,820,114,064
  5. Step 5: Solve for x
    x = 17,820,114,064/87,323
  6. Step 6: Final answer
    x = 204,071.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.