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Finding the Third Proportional to 975.80 and 1,574.65

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Solution

The third proportional to 975.80 and 1,574.65 is: 2,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.80 : 1,574.65 = 1,574.65 : x
  2. Step 2: Convert to fraction form
    975.80/1,574.65 = 1,574.65/x
  3. Step 3: Cross multiply
    975.80x = 1,574.65 × 1,574.65
  4. Step 4: Simplify right side
    975.80x = 2,479,517.70
  5. Step 5: Solve for x
    x = 2,479,517.70/975.80
  6. Step 6: Final answer
    x = 2,541.02

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.