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Finding the Third Proportional to 1,499.75 and 1,769.75

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Solution

The third proportional to 1,499.75 and 1,769.75 is: 2,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.75 : 1,769.75 = 1,769.75 : x
  2. Step 2: Convert to fraction form
    1,499.75/1,769.75 = 1,769.75/x
  3. Step 3: Cross multiply
    1,499.75x = 1,769.75 × 1,769.75
  4. Step 4: Simplify right side
    1,499.75x = 3,132,015.06
  5. Step 5: Solve for x
    x = 3,132,015.06/1,499.75
  6. Step 6: Final answer
    x = 2,088.36

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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.