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Finding the Third Proportional to 586.62 and 1,275.75

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Solution

The third proportional to 586.62 and 1,275.75 is: 2,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.62 : 1,275.75 = 1,275.75 : x
  2. Step 2: Convert to fraction form
    586.62/1,275.75 = 1,275.75/x
  3. Step 3: Cross multiply
    586.62x = 1,275.75 × 1,275.75
  4. Step 4: Simplify right side
    586.62x = 1,627,538.06
  5. Step 5: Solve for x
    x = 1,627,538.06/586.62
  6. Step 6: Final answer
    x = 2,774.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.