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Finding the Third Proportional to 783,138.50 and 1,246,137

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Solution

The third proportional to 783,138.50 and 1,246,137 is: 1,982,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,138.50 : 1,246,137 = 1,246,137 : x
  2. Step 2: Convert to fraction form
    783,138.50/1,246,137 = 1,246,137/x
  3. Step 3: Cross multiply
    783,138.50x = 1,246,137 × 1,246,137
  4. Step 4: Simplify right side
    783,138.50x = 1,552,857,422,769
  5. Step 5: Solve for x
    x = 1,552,857,422,769/783,138.50
  6. Step 6: Final answer
    x = 1,982,864.36

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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.