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Finding the Third Proportional to 681,253.50 and 1,008,690

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Solution

The third proportional to 681,253.50 and 1,008,690 is: 1,493,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,253.50 : 1,008,690 = 1,008,690 : x
  2. Step 2: Convert to fraction form
    681,253.50/1,008,690 = 1,008,690/x
  3. Step 3: Cross multiply
    681,253.50x = 1,008,690 × 1,008,690
  4. Step 4: Simplify right side
    681,253.50x = 1,017,455,516,100
  5. Step 5: Solve for x
    x = 1,017,455,516,100/681,253.50
  6. Step 6: Final answer
    x = 1,493,505.01

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.