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Finding the Third Proportional to 807.19 and 882.56

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Solution

The third proportional to 807.19 and 882.56 is: 964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.19 : 882.56 = 882.56 : x
  2. Step 2: Convert to fraction form
    807.19/882.56 = 882.56/x
  3. Step 3: Cross multiply
    807.19x = 882.56 × 882.56
  4. Step 4: Simplify right side
    807.19x = 778,916.57
  5. Step 5: Solve for x
    x = 778,916.57/807.19
  6. Step 6: Final answer
    x = 964.98

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.