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Finding the Third Proportional to 276,418 and 572,516

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Solution

The third proportional to 276,418 and 572,516 is: 1,185,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,418 : 572,516 = 572,516 : x
  2. Step 2: Convert to fraction form
    276,418/572,516 = 572,516/x
  3. Step 3: Cross multiply
    276,418x = 572,516 × 572,516
  4. Step 4: Simplify right side
    276,418x = 327,774,570,256
  5. Step 5: Solve for x
    x = 327,774,570,256/276,418
  6. Step 6: Final answer
    x = 1,185,793.15

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.