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Finding the Third Proportional to 591.07 and 914.63

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Solution

The third proportional to 591.07 and 914.63 is: 1,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.07 : 914.63 = 914.63 : x
  2. Step 2: Convert to fraction form
    591.07/914.63 = 914.63/x
  3. Step 3: Cross multiply
    591.07x = 914.63 × 914.63
  4. Step 4: Simplify right side
    591.07x = 836,550.95
  5. Step 5: Solve for x
    x = 836,550.95/591.07
  6. Step 6: Final answer
    x = 1,415.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.