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Finding the Third Proportional to 18,987.09 and 41,550

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Solution

The third proportional to 18,987.09 and 41,550 is: 90,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.09 : 41,550 = 41,550 : x
  2. Step 2: Convert to fraction form
    18,987.09/41,550 = 41,550/x
  3. Step 3: Cross multiply
    18,987.09x = 41,550 × 41,550
  4. Step 4: Simplify right side
    18,987.09x = 1,726,402,500
  5. Step 5: Solve for x
    x = 1,726,402,500/18,987.09
  6. Step 6: Final answer
    x = 90,925.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.