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Finding the Third Proportional to 591.19 and 802.69

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Solution

The third proportional to 591.19 and 802.69 is: 1,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.19 : 802.69 = 802.69 : x
  2. Step 2: Convert to fraction form
    591.19/802.69 = 802.69/x
  3. Step 3: Cross multiply
    591.19x = 802.69 × 802.69
  4. Step 4: Simplify right side
    591.19x = 644,307.22
  5. Step 5: Solve for x
    x = 644,307.22/591.19
  6. Step 6: Final answer
    x = 1,089.85

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.