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Finding the Third Proportional to 150,979.50 and 207,655.50

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Solution

The third proportional to 150,979.50 and 207,655.50 is: 285,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.50 : 207,655.50 = 207,655.50 : x
  2. Step 2: Convert to fraction form
    150,979.50/207,655.50 = 207,655.50/x
  3. Step 3: Cross multiply
    150,979.50x = 207,655.50 × 207,655.50
  4. Step 4: Simplify right side
    150,979.50x = 43,120,806,680.25
  5. Step 5: Solve for x
    x = 43,120,806,680.25/150,979.50
  6. Step 6: Final answer
    x = 285,607.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.