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Finding the Third Proportional to 20,346.19 and 42,864.19

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Solution

The third proportional to 20,346.19 and 42,864.19 is: 90,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.19 : 42,864.19 = 42,864.19 : x
  2. Step 2: Convert to fraction form
    20,346.19/42,864.19 = 42,864.19/x
  3. Step 3: Cross multiply
    20,346.19x = 42,864.19 × 42,864.19
  4. Step 4: Simplify right side
    20,346.19x = 1,837,338,570.04
  5. Step 5: Solve for x
    x = 1,837,338,570.04/20,346.19
  6. Step 6: Final answer
    x = 90,303.83

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.