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Finding the Third Proportional to 19,959.75 and 28,360.13

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Solution

The third proportional to 19,959.75 and 28,360.13 is: 40,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.75 : 28,360.13 = 28,360.13 : x
  2. Step 2: Convert to fraction form
    19,959.75/28,360.13 = 28,360.13/x
  3. Step 3: Cross multiply
    19,959.75x = 28,360.13 × 28,360.13
  4. Step 4: Simplify right side
    19,959.75x = 804,296,690.02
  5. Step 5: Solve for x
    x = 804,296,690.02/19,959.75
  6. Step 6: Final answer
    x = 40,295.93

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.