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Finding the Third Proportional to 1,657.97 and 1,830.09

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Solution

The third proportional to 1,657.97 and 1,830.09 is: 2,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.97 : 1,830.09 = 1,830.09 : x
  2. Step 2: Convert to fraction form
    1,657.97/1,830.09 = 1,830.09/x
  3. Step 3: Cross multiply
    1,657.97x = 1,830.09 × 1,830.09
  4. Step 4: Simplify right side
    1,657.97x = 3,349,243.13
  5. Step 5: Solve for x
    x = 3,349,243.13/1,657.97
  6. Step 6: Final answer
    x = 2,020.09

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.