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Finding the Third Proportional to 276,357 and 573,486

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Solution

The third proportional to 276,357 and 573,486 is: 1,190,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,357 : 573,486 = 573,486 : x
  2. Step 2: Convert to fraction form
    276,357/573,486 = 573,486/x
  3. Step 3: Cross multiply
    276,357x = 573,486 × 573,486
  4. Step 4: Simplify right side
    276,357x = 328,886,192,196
  5. Step 5: Solve for x
    x = 328,886,192,196/276,357
  6. Step 6: Final answer
    x = 1,190,077.30

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.