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Finding the Third Proportional to 438,883.31 and 958,138.88

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Solution

The third proportional to 438,883.31 and 958,138.88 is: 2,091,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,883.31 : 958,138.88 = 958,138.88 : x
  2. Step 2: Convert to fraction form
    438,883.31/958,138.88 = 958,138.88/x
  3. Step 3: Cross multiply
    438,883.31x = 958,138.88 × 958,138.88
  4. Step 4: Simplify right side
    438,883.31x = 918,030,103,786.27
  5. Step 5: Solve for x
    x = 918,030,103,786.27/438,883.31
  6. Step 6: Final answer
    x = 2,091,740.74

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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.