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Finding the Third Proportional to 15,278.63 and 30,867.75

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Solution

The third proportional to 15,278.63 and 30,867.75 is: 62,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.63 : 30,867.75 = 30,867.75 : x
  2. Step 2: Convert to fraction form
    15,278.63/30,867.75 = 30,867.75/x
  3. Step 3: Cross multiply
    15,278.63x = 30,867.75 × 30,867.75
  4. Step 4: Simplify right side
    15,278.63x = 952,817,990.06
  5. Step 5: Solve for x
    x = 952,817,990.06/15,278.63
  6. Step 6: Final answer
    x = 62,362.81

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.