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Finding the Third Proportional to 6,356.25 and 9,321.75

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Solution

The third proportional to 6,356.25 and 9,321.75 is: 13,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.25 : 9,321.75 = 9,321.75 : x
  2. Step 2: Convert to fraction form
    6,356.25/9,321.75 = 9,321.75/x
  3. Step 3: Cross multiply
    6,356.25x = 9,321.75 × 9,321.75
  4. Step 4: Simplify right side
    6,356.25x = 86,895,023.06
  5. Step 5: Solve for x
    x = 86,895,023.06/6,356.25
  6. Step 6: Final answer
    x = 13,670.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.