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Finding the Third Proportional to 388,797.38 and 852,327.75

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Solution

The third proportional to 388,797.38 and 852,327.75 is: 1,868,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,797.38 : 852,327.75 = 852,327.75 : x
  2. Step 2: Convert to fraction form
    388,797.38/852,327.75 = 852,327.75/x
  3. Step 3: Cross multiply
    388,797.38x = 852,327.75 × 852,327.75
  4. Step 4: Simplify right side
    388,797.38x = 726,462,593,420.06
  5. Step 5: Solve for x
    x = 726,462,593,420.06/388,797.38
  6. Step 6: Final answer
    x = 1,868,486.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.