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Finding the Third Proportional to 7,200.19 and 15,624.38

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Solution

The third proportional to 7,200.19 and 15,624.38 is: 33,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.19 : 15,624.38 = 15,624.38 : x
  2. Step 2: Convert to fraction form
    7,200.19/15,624.38 = 15,624.38/x
  3. Step 3: Cross multiply
    7,200.19x = 15,624.38 × 15,624.38
  4. Step 4: Simplify right side
    7,200.19x = 244,121,094.14
  5. Step 5: Solve for x
    x = 244,121,094.14/7,200.19
  6. Step 6: Final answer
    x = 33,904.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.