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Finding the Third Proportional to 6,486 and 9,202.50

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Solution

The third proportional to 6,486 and 9,202.50 is: 13,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486 : 9,202.50 = 9,202.50 : x
  2. Step 2: Convert to fraction form
    6,486/9,202.50 = 9,202.50/x
  3. Step 3: Cross multiply
    6,486x = 9,202.50 × 9,202.50
  4. Step 4: Simplify right side
    6,486x = 84,686,006.25
  5. Step 5: Solve for x
    x = 84,686,006.25/6,486
  6. Step 6: Final answer
    x = 13,056.74

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.