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Finding the Third Proportional to 20,386.69 and 29,850.19

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Solution

The third proportional to 20,386.69 and 29,850.19 is: 43,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386.69 : 29,850.19 = 29,850.19 : x
  2. Step 2: Convert to fraction form
    20,386.69/29,850.19 = 29,850.19/x
  3. Step 3: Cross multiply
    20,386.69x = 29,850.19 × 29,850.19
  4. Step 4: Simplify right side
    20,386.69x = 891,033,693.79
  5. Step 5: Solve for x
    x = 891,033,693.79/20,386.69
  6. Step 6: Final answer
    x = 43,706.64

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.