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Finding the Third Proportional to 15,340.13 and 20,526.75

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Solution

The third proportional to 15,340.13 and 20,526.75 is: 27,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.13 : 20,526.75 = 20,526.75 : x
  2. Step 2: Convert to fraction form
    15,340.13/20,526.75 = 20,526.75/x
  3. Step 3: Cross multiply
    15,340.13x = 20,526.75 × 20,526.75
  4. Step 4: Simplify right side
    15,340.13x = 421,347,465.56
  5. Step 5: Solve for x
    x = 421,347,465.56/15,340.13
  6. Step 6: Final answer
    x = 27,467.02

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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.