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Finding the Third Proportional to 158,604.75 and 330,328.13

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Solution

The third proportional to 158,604.75 and 330,328.13 is: 687,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,604.75 : 330,328.13 = 330,328.13 : x
  2. Step 2: Convert to fraction form
    158,604.75/330,328.13 = 330,328.13/x
  3. Step 3: Cross multiply
    158,604.75x = 330,328.13 × 330,328.13
  4. Step 4: Simplify right side
    158,604.75x = 109,116,670,166.02
  5. Step 5: Solve for x
    x = 109,116,670,166.02/158,604.75
  6. Step 6: Final answer
    x = 687,978.58

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.