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Finding the Third Proportional to 276,400 and 570,248

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Solution

The third proportional to 276,400 and 570,248 is: 1,176,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,400 : 570,248 = 570,248 : x
  2. Step 2: Convert to fraction form
    276,400/570,248 = 570,248/x
  3. Step 3: Cross multiply
    276,400x = 570,248 × 570,248
  4. Step 4: Simplify right side
    276,400x = 325,182,781,504
  5. Step 5: Solve for x
    x = 325,182,781,504/276,400
  6. Step 6: Final answer
    x = 1,176,493.42

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.