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Finding the Third Proportional to 6,650 and 10,290.25

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Solution

The third proportional to 6,650 and 10,290.25 is: 15,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650 : 10,290.25 = 10,290.25 : x
  2. Step 2: Convert to fraction form
    6,650/10,290.25 = 10,290.25/x
  3. Step 3: Cross multiply
    6,650x = 10,290.25 × 10,290.25
  4. Step 4: Simplify right side
    6,650x = 105,889,245.06
  5. Step 5: Solve for x
    x = 105,889,245.06/6,650
  6. Step 6: Final answer
    x = 15,923.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.