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Finding the Third Proportional to 687,968 and 1,459,190

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Solution

The third proportional to 687,968 and 1,459,190 is: 3,094,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,968 : 1,459,190 = 1,459,190 : x
  2. Step 2: Convert to fraction form
    687,968/1,459,190 = 1,459,190/x
  3. Step 3: Cross multiply
    687,968x = 1,459,190 × 1,459,190
  4. Step 4: Simplify right side
    687,968x = 2,129,235,456,100
  5. Step 5: Solve for x
    x = 2,129,235,456,100/687,968
  6. Step 6: Final answer
    x = 3,094,962.93

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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.