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Finding the Third Proportional to 835,311 and 1,272,550.50

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Solution

The third proportional to 835,311 and 1,272,550.50 is: 1,938,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,311 : 1,272,550.50 = 1,272,550.50 : x
  2. Step 2: Convert to fraction form
    835,311/1,272,550.50 = 1,272,550.50/x
  3. Step 3: Cross multiply
    835,311x = 1,272,550.50 × 1,272,550.50
  4. Step 4: Simplify right side
    835,311x = 1,619,384,775,050.25
  5. Step 5: Solve for x
    x = 1,619,384,775,050.25/835,311
  6. Step 6: Final answer
    x = 1,938,660.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.