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Finding the Third Proportional to 15,296.25 and 31,416

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Solution

The third proportional to 15,296.25 and 31,416 is: 64,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.25 : 31,416 = 31,416 : x
  2. Step 2: Convert to fraction form
    15,296.25/31,416 = 31,416/x
  3. Step 3: Cross multiply
    15,296.25x = 31,416 × 31,416
  4. Step 4: Simplify right side
    15,296.25x = 986,965,056
  5. Step 5: Solve for x
    x = 986,965,056/15,296.25
  6. Step 6: Final answer
    x = 64,523.33

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.