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Finding the Third Proportional to 7,900.88 and 18,244.69

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Solution

The third proportional to 7,900.88 and 18,244.69 is: 42,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.88 : 18,244.69 = 18,244.69 : x
  2. Step 2: Convert to fraction form
    7,900.88/18,244.69 = 18,244.69/x
  3. Step 3: Cross multiply
    7,900.88x = 18,244.69 × 18,244.69
  4. Step 4: Simplify right side
    7,900.88x = 332,868,621.97
  5. Step 5: Solve for x
    x = 332,868,621.97/7,900.88
  6. Step 6: Final answer
    x = 42,130.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.