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Finding the Third Proportional to 20,530.13 and 26,957.81

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Solution

The third proportional to 20,530.13 and 26,957.81 is: 35,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530.13 : 26,957.81 = 26,957.81 : x
  2. Step 2: Convert to fraction form
    20,530.13/26,957.81 = 26,957.81/x
  3. Step 3: Cross multiply
    20,530.13x = 26,957.81 × 26,957.81
  4. Step 4: Simplify right side
    20,530.13x = 726,723,654.79
  5. Step 5: Solve for x
    x = 726,723,654.79/20,530.13
  6. Step 6: Final answer
    x = 35,397.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.