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Finding the Third Proportional to 19,063.13 and 28,318.50

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Solution

The third proportional to 19,063.13 and 28,318.50 is: 42,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.13 : 28,318.50 = 28,318.50 : x
  2. Step 2: Convert to fraction form
    19,063.13/28,318.50 = 28,318.50/x
  3. Step 3: Cross multiply
    19,063.13x = 28,318.50 × 28,318.50
  4. Step 4: Simplify right side
    19,063.13x = 801,937,442.25
  5. Step 5: Solve for x
    x = 801,937,442.25/19,063.13
  6. Step 6: Final answer
    x = 42,067.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.