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Finding the Third Proportional to 19,269.75 and 28,774.13

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Solution

The third proportional to 19,269.75 and 28,774.13 is: 42,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.75 : 28,774.13 = 28,774.13 : x
  2. Step 2: Convert to fraction form
    19,269.75/28,774.13 = 28,774.13/x
  3. Step 3: Cross multiply
    19,269.75x = 28,774.13 × 28,774.13
  4. Step 4: Simplify right side
    19,269.75x = 827,950,269.52
  5. Step 5: Solve for x
    x = 827,950,269.52/19,269.75
  6. Step 6: Final answer
    x = 42,966.32

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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.