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Finding the Third Proportional to 89,570 and 133,887

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Solution

The third proportional to 89,570 and 133,887 is: 200,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,570 : 133,887 = 133,887 : x
  2. Step 2: Convert to fraction form
    89,570/133,887 = 133,887/x
  3. Step 3: Cross multiply
    89,570x = 133,887 × 133,887
  4. Step 4: Simplify right side
    89,570x = 17,925,728,769
  5. Step 5: Solve for x
    x = 17,925,728,769/89,570
  6. Step 6: Final answer
    x = 200,130.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.