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Finding the Third Proportional to 1,657.64 and 3,574.73

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Solution

The third proportional to 1,657.64 and 3,574.73 is: 7,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.64 : 3,574.73 = 3,574.73 : x
  2. Step 2: Convert to fraction form
    1,657.64/3,574.73 = 3,574.73/x
  3. Step 3: Cross multiply
    1,657.64x = 3,574.73 × 3,574.73
  4. Step 4: Simplify right side
    1,657.64x = 12,778,725.85
  5. Step 5: Solve for x
    x = 12,778,725.85/1,657.64
  6. Step 6: Final answer
    x = 7,708.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.