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Finding the Third Proportional to 7,317 and 11,248.50

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Solution

The third proportional to 7,317 and 11,248.50 is: 17,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317 : 11,248.50 = 11,248.50 : x
  2. Step 2: Convert to fraction form
    7,317/11,248.50 = 11,248.50/x
  3. Step 3: Cross multiply
    7,317x = 11,248.50 × 11,248.50
  4. Step 4: Simplify right side
    7,317x = 126,528,752.25
  5. Step 5: Solve for x
    x = 126,528,752.25/7,317
  6. Step 6: Final answer
    x = 17,292.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.