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Finding the Third Proportional to 318,092.25 and 693,340.50

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Solution

The third proportional to 318,092.25 and 693,340.50 is: 1,511,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,092.25 : 693,340.50 = 693,340.50 : x
  2. Step 2: Convert to fraction form
    318,092.25/693,340.50 = 693,340.50/x
  3. Step 3: Cross multiply
    318,092.25x = 693,340.50 × 693,340.50
  4. Step 4: Simplify right side
    318,092.25x = 480,721,048,940.25
  5. Step 5: Solve for x
    x = 480,721,048,940.25/318,092.25
  6. Step 6: Final answer
    x = 1,511,263.00

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.