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Finding the Third Proportional to 940.50 and 1,659

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Solution

The third proportional to 940.50 and 1,659 is: 2,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    940.50 : 1,659 = 1,659 : x
  2. Step 2: Convert to fraction form
    940.50/1,659 = 1,659/x
  3. Step 3: Cross multiply
    940.50x = 1,659 × 1,659
  4. Step 4: Simplify right side
    940.50x = 2,752,281
  5. Step 5: Solve for x
    x = 2,752,281/940.50
  6. Step 6: Final answer
    x = 2,926.40

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.