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Finding the Third Proportional to 585.75 and 770.63

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Solution

The third proportional to 585.75 and 770.63 is: 1,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.75 : 770.63 = 770.63 : x
  2. Step 2: Convert to fraction form
    585.75/770.63 = 770.63/x
  3. Step 3: Cross multiply
    585.75x = 770.63 × 770.63
  4. Step 4: Simplify right side
    585.75x = 593,862.89
  5. Step 5: Solve for x
    x = 593,862.89/585.75
  6. Step 6: Final answer
    x = 1,013.85

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.