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Finding the Third Proportional to 679,564.69 and 1,027,912.78

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Solution

The third proportional to 679,564.69 and 1,027,912.78 is: 1,554,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,564.69 : 1,027,912.78 = 1,027,912.78 : x
  2. Step 2: Convert to fraction form
    679,564.69/1,027,912.78 = 1,027,912.78/x
  3. Step 3: Cross multiply
    679,564.69x = 1,027,912.78 × 1,027,912.78
  4. Step 4: Simplify right side
    679,564.69x = 1,056,604,685,857.11
  5. Step 5: Solve for x
    x = 1,056,604,685,857.11/679,564.69
  6. Step 6: Final answer
    x = 1,554,825.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.