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Finding the Third Proportional to 20,530.13 and 30,795.19

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Solution

The third proportional to 20,530.13 and 30,795.19 is: 46,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530.13 : 30,795.19 = 30,795.19 : x
  2. Step 2: Convert to fraction form
    20,530.13/30,795.19 = 30,795.19/x
  3. Step 3: Cross multiply
    20,530.13x = 30,795.19 × 30,795.19
  4. Step 4: Simplify right side
    20,530.13x = 948,343,573.16
  5. Step 5: Solve for x
    x = 948,343,573.16/20,530.13
  6. Step 6: Final answer
    x = 46,192.78

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.