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Finding the Third Proportional to 694,840.50 and 1,038,169.50

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Solution

The third proportional to 694,840.50 and 1,038,169.50 is: 1,551,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,840.50 : 1,038,169.50 = 1,038,169.50 : x
  2. Step 2: Convert to fraction form
    694,840.50/1,038,169.50 = 1,038,169.50/x
  3. Step 3: Cross multiply
    694,840.50x = 1,038,169.50 × 1,038,169.50
  4. Step 4: Simplify right side
    694,840.50x = 1,077,795,910,730.25
  5. Step 5: Solve for x
    x = 1,077,795,910,730.25/694,840.50
  6. Step 6: Final answer
    x = 1,551,141.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.