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Finding the Third Proportional to 907.31 and 1,962.56

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Solution

The third proportional to 907.31 and 1,962.56 is: 4,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.31 : 1,962.56 = 1,962.56 : x
  2. Step 2: Convert to fraction form
    907.31/1,962.56 = 1,962.56/x
  3. Step 3: Cross multiply
    907.31x = 1,962.56 × 1,962.56
  4. Step 4: Simplify right side
    907.31x = 3,851,651.57
  5. Step 5: Solve for x
    x = 3,851,651.57/907.31
  6. Step 6: Final answer
    x = 4,245.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.