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Finding the Third Proportional to 20,390.63 and 44,920.13

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Solution

The third proportional to 20,390.63 and 44,920.13 is: 98,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,390.63 : 44,920.13 = 44,920.13 : x
  2. Step 2: Convert to fraction form
    20,390.63/44,920.13 = 44,920.13/x
  3. Step 3: Cross multiply
    20,390.63x = 44,920.13 × 44,920.13
  4. Step 4: Simplify right side
    20,390.63x = 2,017,817,630.02
  5. Step 5: Solve for x
    x = 2,017,817,630.02/20,390.63
  6. Step 6: Final answer
    x = 98,958.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.