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Finding the Third Proportional to 276,370 and 573,516

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Solution

The third proportional to 276,370 and 573,516 is: 1,190,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,370 : 573,516 = 573,516 : x
  2. Step 2: Convert to fraction form
    276,370/573,516 = 573,516/x
  3. Step 3: Cross multiply
    276,370x = 573,516 × 573,516
  4. Step 4: Simplify right side
    276,370x = 328,920,602,256
  5. Step 5: Solve for x
    x = 328,920,602,256/276,370
  6. Step 6: Final answer
    x = 1,190,145.83

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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.