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Finding the Third Proportional to 135,856.50 and 199,629

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Solution

The third proportional to 135,856.50 and 199,629 is: 293,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,856.50 : 199,629 = 199,629 : x
  2. Step 2: Convert to fraction form
    135,856.50/199,629 = 199,629/x
  3. Step 3: Cross multiply
    135,856.50x = 199,629 × 199,629
  4. Step 4: Simplify right side
    135,856.50x = 39,851,737,641
  5. Step 5: Solve for x
    x = 39,851,737,641/135,856.50
  6. Step 6: Final answer
    x = 293,337.00

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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.