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Finding the Third Proportional to 906.19 and 1,246.22

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Solution

The third proportional to 906.19 and 1,246.22 is: 1,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.19 : 1,246.22 = 1,246.22 : x
  2. Step 2: Convert to fraction form
    906.19/1,246.22 = 1,246.22/x
  3. Step 3: Cross multiply
    906.19x = 1,246.22 × 1,246.22
  4. Step 4: Simplify right side
    906.19x = 1,553,061.17
  5. Step 5: Solve for x
    x = 1,553,061.17/906.19
  6. Step 6: Final answer
    x = 1,713.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.