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Finding the Third Proportional to 687,966 and 1,459,188

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Solution

The third proportional to 687,966 and 1,459,188 is: 3,094,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,966 : 1,459,188 = 1,459,188 : x
  2. Step 2: Convert to fraction form
    687,966/1,459,188 = 1,459,188/x
  3. Step 3: Cross multiply
    687,966x = 1,459,188 × 1,459,188
  4. Step 4: Simplify right side
    687,966x = 2,129,229,619,344
  5. Step 5: Solve for x
    x = 2,129,229,619,344/687,966
  6. Step 6: Final answer
    x = 3,094,963.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.