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Finding the Third Proportional to 19,035 and 40,987

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Solution

The third proportional to 19,035 and 40,987 is: 88,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035 : 40,987 = 40,987 : x
  2. Step 2: Convert to fraction form
    19,035/40,987 = 40,987/x
  3. Step 3: Cross multiply
    19,035x = 40,987 × 40,987
  4. Step 4: Simplify right side
    19,035x = 1,679,934,169
  5. Step 5: Solve for x
    x = 1,679,934,169/19,035
  6. Step 6: Final answer
    x = 88,255.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.