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Finding the Third Proportional to 4,207.50 and 9,928.13

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Solution

The third proportional to 4,207.50 and 9,928.13 is: 23,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.50 : 9,928.13 = 9,928.13 : x
  2. Step 2: Convert to fraction form
    4,207.50/9,928.13 = 9,928.13/x
  3. Step 3: Cross multiply
    4,207.50x = 9,928.13 × 9,928.13
  4. Step 4: Simplify right side
    4,207.50x = 98,567,666.02
  5. Step 5: Solve for x
    x = 98,567,666.02/4,207.50
  6. Step 6: Final answer
    x = 23,426.66

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.