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Finding the Third Proportional to 121,058 and 187,883

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Solution

The third proportional to 121,058 and 187,883 is: 291,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,058 : 187,883 = 187,883 : x
  2. Step 2: Convert to fraction form
    121,058/187,883 = 187,883/x
  3. Step 3: Cross multiply
    121,058x = 187,883 × 187,883
  4. Step 4: Simplify right side
    121,058x = 35,300,021,689
  5. Step 5: Solve for x
    x = 35,300,021,689/121,058
  6. Step 6: Final answer
    x = 291,595.94

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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.