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Finding the Third Proportional to 1,670.81 and 3,565.41

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Solution

The third proportional to 1,670.81 and 3,565.41 is: 7,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.81 : 3,565.41 = 3,565.41 : x
  2. Step 2: Convert to fraction form
    1,670.81/3,565.41 = 3,565.41/x
  3. Step 3: Cross multiply
    1,670.81x = 3,565.41 × 3,565.41
  4. Step 4: Simplify right side
    1,670.81x = 12,712,121.73
  5. Step 5: Solve for x
    x = 12,712,121.73/1,670.81
  6. Step 6: Final answer
    x = 7,608.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.