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Finding the Third Proportional to 268,150.50 and 393,994.13

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Solution

The third proportional to 268,150.50 and 393,994.13 is: 578,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,150.50 : 393,994.13 = 393,994.13 : x
  2. Step 2: Convert to fraction form
    268,150.50/393,994.13 = 393,994.13/x
  3. Step 3: Cross multiply
    268,150.50x = 393,994.13 × 393,994.13
  4. Step 4: Simplify right side
    268,150.50x = 155,231,370,534.52
  5. Step 5: Solve for x
    x = 155,231,370,534.52/268,150.50
  6. Step 6: Final answer
    x = 578,896.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.