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Finding the Third Proportional to 499,854 and 774,202.50

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Solution

The third proportional to 499,854 and 774,202.50 is: 1,199,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,854 : 774,202.50 = 774,202.50 : x
  2. Step 2: Convert to fraction form
    499,854/774,202.50 = 774,202.50/x
  3. Step 3: Cross multiply
    499,854x = 774,202.50 × 774,202.50
  4. Step 4: Simplify right side
    499,854x = 599,389,511,006.25
  5. Step 5: Solve for x
    x = 599,389,511,006.25/499,854
  6. Step 6: Final answer
    x = 1,199,129.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.