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Finding the Third Proportional to 15,285 and 23,356.50

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Solution

The third proportional to 15,285 and 23,356.50 is: 35,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285 : 23,356.50 = 23,356.50 : x
  2. Step 2: Convert to fraction form
    15,285/23,356.50 = 23,356.50/x
  3. Step 3: Cross multiply
    15,285x = 23,356.50 × 23,356.50
  4. Step 4: Simplify right side
    15,285x = 545,526,092.25
  5. Step 5: Solve for x
    x = 545,526,092.25/15,285
  6. Step 6: Final answer
    x = 35,690.29

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.