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Finding the Third Proportional to 20,790.75 and 30,547.13

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Solution

The third proportional to 20,790.75 and 30,547.13 is: 44,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790.75 : 30,547.13 = 30,547.13 : x
  2. Step 2: Convert to fraction form
    20,790.75/30,547.13 = 30,547.13/x
  3. Step 3: Cross multiply
    20,790.75x = 30,547.13 × 30,547.13
  4. Step 4: Simplify right side
    20,790.75x = 933,126,845.77
  5. Step 5: Solve for x
    x = 933,126,845.77/20,790.75
  6. Step 6: Final answer
    x = 44,881.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.