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Finding the Third Proportional to 439,357.50 and 703,258.88

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Solution

The third proportional to 439,357.50 and 703,258.88 is: 1,125,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,357.50 : 703,258.88 = 703,258.88 : x
  2. Step 2: Convert to fraction form
    439,357.50/703,258.88 = 703,258.88/x
  3. Step 3: Cross multiply
    439,357.50x = 703,258.88 × 703,258.88
  4. Step 4: Simplify right side
    439,357.50x = 494,573,045,266.27
  5. Step 5: Solve for x
    x = 494,573,045,266.27/439,357.50
  6. Step 6: Final answer
    x = 1,125,673.39

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.