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Finding the Third Proportional to 1,288,264 and 2,798,509

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Solution

The third proportional to 1,288,264 and 2,798,509 is: 6,079,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,264 : 2,798,509 = 2,798,509 : x
  2. Step 2: Convert to fraction form
    1,288,264/2,798,509 = 2,798,509/x
  3. Step 3: Cross multiply
    1,288,264x = 2,798,509 × 2,798,509
  4. Step 4: Simplify right side
    1,288,264x = 7,831,652,623,081
  5. Step 5: Solve for x
    x = 7,831,652,623,081/1,288,264
  6. Step 6: Final answer
    x = 6,079,229.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.