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Finding the Third Proportional to 924.38 and 1,396.25

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Solution

The third proportional to 924.38 and 1,396.25 is: 2,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.38 : 1,396.25 = 1,396.25 : x
  2. Step 2: Convert to fraction form
    924.38/1,396.25 = 1,396.25/x
  3. Step 3: Cross multiply
    924.38x = 1,396.25 × 1,396.25
  4. Step 4: Simplify right side
    924.38x = 1,949,514.06
  5. Step 5: Solve for x
    x = 1,949,514.06/924.38
  6. Step 6: Final answer
    x = 2,109.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.