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Finding the Third Proportional to 515,725.50 and 774,562.50

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Solution

The third proportional to 515,725.50 and 774,562.50 is: 1,163,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,725.50 : 774,562.50 = 774,562.50 : x
  2. Step 2: Convert to fraction form
    515,725.50/774,562.50 = 774,562.50/x
  3. Step 3: Cross multiply
    515,725.50x = 774,562.50 × 774,562.50
  4. Step 4: Simplify right side
    515,725.50x = 599,947,066,406.25
  5. Step 5: Solve for x
    x = 599,947,066,406.25/515,725.50
  6. Step 6: Final answer
    x = 1,163,306.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.