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Finding the Third Proportional to 89,220 and 134,586

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Solution

The third proportional to 89,220 and 134,586 is: 203,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220 : 134,586 = 134,586 : x
  2. Step 2: Convert to fraction form
    89,220/134,586 = 134,586/x
  3. Step 3: Cross multiply
    89,220x = 134,586 × 134,586
  4. Step 4: Simplify right side
    89,220x = 18,113,391,396
  5. Step 5: Solve for x
    x = 18,113,391,396/89,220
  6. Step 6: Final answer
    x = 203,019.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.