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Finding the Third Proportional to 19,119.38 and 28,116.28

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Solution

The third proportional to 19,119.38 and 28,116.28 is: 41,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.38 : 28,116.28 = 28,116.28 : x
  2. Step 2: Convert to fraction form
    19,119.38/28,116.28 = 28,116.28/x
  3. Step 3: Cross multiply
    19,119.38x = 28,116.28 × 28,116.28
  4. Step 4: Simplify right side
    19,119.38x = 790,525,271.33
  5. Step 5: Solve for x
    x = 790,525,271.33/19,119.38
  6. Step 6: Final answer
    x = 41,346.82

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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.