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Finding the Third Proportional to 9,420.05 and 15,998.13

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Solution

The third proportional to 9,420.05 and 15,998.13 is: 27,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.05 : 15,998.13 = 15,998.13 : x
  2. Step 2: Convert to fraction form
    9,420.05/15,998.13 = 15,998.13/x
  3. Step 3: Cross multiply
    9,420.05x = 15,998.13 × 15,998.13
  4. Step 4: Simplify right side
    9,420.05x = 255,940,253.49
  5. Step 5: Solve for x
    x = 255,940,253.49/9,420.05
  6. Step 6: Final answer
    x = 27,169.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.