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Finding the Third Proportional to 4,225.50 and 4,681.13

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Solution

The third proportional to 4,225.50 and 4,681.13 is: 5,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.50 : 4,681.13 = 4,681.13 : x
  2. Step 2: Convert to fraction form
    4,225.50/4,681.13 = 4,681.13/x
  3. Step 3: Cross multiply
    4,225.50x = 4,681.13 × 4,681.13
  4. Step 4: Simplify right side
    4,225.50x = 21,912,931.27
  5. Step 5: Solve for x
    x = 21,912,931.27/4,225.50
  6. Step 6: Final answer
    x = 5,185.88

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.