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Finding the Third Proportional to 878,960.50 and 1,320,781

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Solution

The third proportional to 878,960.50 and 1,320,781 is: 1,984,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,960.50 : 1,320,781 = 1,320,781 : x
  2. Step 2: Convert to fraction form
    878,960.50/1,320,781 = 1,320,781/x
  3. Step 3: Cross multiply
    878,960.50x = 1,320,781 × 1,320,781
  4. Step 4: Simplify right side
    878,960.50x = 1,744,462,449,961
  5. Step 5: Solve for x
    x = 1,744,462,449,961/878,960.50
  6. Step 6: Final answer
    x = 1,984,688.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.