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Finding the Third Proportional to 922.31 and 1,975.13

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Solution

The third proportional to 922.31 and 1,975.13 is: 4,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.31 : 1,975.13 = 1,975.13 : x
  2. Step 2: Convert to fraction form
    922.31/1,975.13 = 1,975.13/x
  3. Step 3: Cross multiply
    922.31x = 1,975.13 × 1,975.13
  4. Step 4: Simplify right side
    922.31x = 3,901,118.77
  5. Step 5: Solve for x
    x = 3,901,118.77/922.31
  6. Step 6: Final answer
    x = 4,229.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.