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Finding the Third Proportional to 847.69 and 1,554.75

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Solution

The third proportional to 847.69 and 1,554.75 is: 2,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.69 : 1,554.75 = 1,554.75 : x
  2. Step 2: Convert to fraction form
    847.69/1,554.75 = 1,554.75/x
  3. Step 3: Cross multiply
    847.69x = 1,554.75 × 1,554.75
  4. Step 4: Simplify right side
    847.69x = 2,417,247.56
  5. Step 5: Solve for x
    x = 2,417,247.56/847.69
  6. Step 6: Final answer
    x = 2,851.58

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.