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Finding the Third Proportional to 5,378.06 and 7,182.84

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Solution

The third proportional to 5,378.06 and 7,182.84 is: 9,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.06 : 7,182.84 = 7,182.84 : x
  2. Step 2: Convert to fraction form
    5,378.06/7,182.84 = 7,182.84/x
  3. Step 3: Cross multiply
    5,378.06x = 7,182.84 × 7,182.84
  4. Step 4: Simplify right side
    5,378.06x = 51,593,244.34
  5. Step 5: Solve for x
    x = 51,593,244.34/5,378.06
  6. Step 6: Final answer
    x = 9,593.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.