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Finding the Third Proportional to 19,068.75 and 28,306.13

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Solution

The third proportional to 19,068.75 and 28,306.13 is: 42,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.75 : 28,306.13 = 28,306.13 : x
  2. Step 2: Convert to fraction form
    19,068.75/28,306.13 = 28,306.13/x
  3. Step 3: Cross multiply
    19,068.75x = 28,306.13 × 28,306.13
  4. Step 4: Simplify right side
    19,068.75x = 801,236,712.52
  5. Step 5: Solve for x
    x = 801,236,712.52/19,068.75
  6. Step 6: Final answer
    x = 42,018.31

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.