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Finding the Third Proportional to 783,142.50 and 1,246,140

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Solution

The third proportional to 783,142.50 and 1,246,140 is: 1,982,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,142.50 : 1,246,140 = 1,246,140 : x
  2. Step 2: Convert to fraction form
    783,142.50/1,246,140 = 1,246,140/x
  3. Step 3: Cross multiply
    783,142.50x = 1,246,140 × 1,246,140
  4. Step 4: Simplify right side
    783,142.50x = 1,552,864,899,600
  5. Step 5: Solve for x
    x = 1,552,864,899,600/783,142.50
  6. Step 6: Final answer
    x = 1,982,863.78

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.