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Finding the Third Proportional to 135,656 and 199,561

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Solution

The third proportional to 135,656 and 199,561 is: 293,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,656 : 199,561 = 199,561 : x
  2. Step 2: Convert to fraction form
    135,656/199,561 = 199,561/x
  3. Step 3: Cross multiply
    135,656x = 199,561 × 199,561
  4. Step 4: Simplify right side
    135,656x = 39,824,592,721
  5. Step 5: Solve for x
    x = 39,824,592,721/135,656
  6. Step 6: Final answer
    x = 293,570.45

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.