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Finding the Third Proportional to 60,618 and 133,143

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Solution

The third proportional to 60,618 and 133,143 is: 292,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,618 : 133,143 = 133,143 : x
  2. Step 2: Convert to fraction form
    60,618/133,143 = 133,143/x
  3. Step 3: Cross multiply
    60,618x = 133,143 × 133,143
  4. Step 4: Simplify right side
    60,618x = 17,727,058,449
  5. Step 5: Solve for x
    x = 17,727,058,449/60,618
  6. Step 6: Final answer
    x = 292,438.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.