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Finding the Third Proportional to 9,924.19 and 15,398.44

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Solution

The third proportional to 9,924.19 and 15,398.44 is: 23,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.19 : 15,398.44 = 15,398.44 : x
  2. Step 2: Convert to fraction form
    9,924.19/15,398.44 = 15,398.44/x
  3. Step 3: Cross multiply
    9,924.19x = 15,398.44 × 15,398.44
  4. Step 4: Simplify right side
    9,924.19x = 237,111,877.44
  5. Step 5: Solve for x
    x = 237,111,877.44/9,924.19
  6. Step 6: Final answer
    x = 23,892.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.