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Finding the Third Proportional to 10,221.19 and 26,218.69

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Solution

The third proportional to 10,221.19 and 26,218.69 is: 67,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.19 : 26,218.69 = 26,218.69 : x
  2. Step 2: Convert to fraction form
    10,221.19/26,218.69 = 26,218.69/x
  3. Step 3: Cross multiply
    10,221.19x = 26,218.69 × 26,218.69
  4. Step 4: Simplify right side
    10,221.19x = 687,419,574.22
  5. Step 5: Solve for x
    x = 687,419,574.22/10,221.19
  6. Step 6: Final answer
    x = 67,254.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.