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Finding the Third Proportional to 9,365.20 and 20,063.11

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Solution

The third proportional to 9,365.20 and 20,063.11 is: 42,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.20 : 20,063.11 = 20,063.11 : x
  2. Step 2: Convert to fraction form
    9,365.20/20,063.11 = 20,063.11/x
  3. Step 3: Cross multiply
    9,365.20x = 20,063.11 × 20,063.11
  4. Step 4: Simplify right side
    9,365.20x = 402,528,357.79
  5. Step 5: Solve for x
    x = 402,528,357.79/9,365.20
  6. Step 6: Final answer
    x = 42,981.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.