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Finding the Third Proportional to 19,138.50 and 29,560.50

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Solution

The third proportional to 19,138.50 and 29,560.50 is: 45,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.50 : 29,560.50 = 29,560.50 : x
  2. Step 2: Convert to fraction form
    19,138.50/29,560.50 = 29,560.50/x
  3. Step 3: Cross multiply
    19,138.50x = 29,560.50 × 29,560.50
  4. Step 4: Simplify right side
    19,138.50x = 873,823,160.25
  5. Step 5: Solve for x
    x = 873,823,160.25/19,138.50
  6. Step 6: Final answer
    x = 45,657.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.