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Finding the Third Proportional to 158,875 and 330,818

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Solution

The third proportional to 158,875 and 330,818 is: 688,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,875 : 330,818 = 330,818 : x
  2. Step 2: Convert to fraction form
    158,875/330,818 = 330,818/x
  3. Step 3: Cross multiply
    158,875x = 330,818 × 330,818
  4. Step 4: Simplify right side
    158,875x = 109,440,549,124
  5. Step 5: Solve for x
    x = 109,440,549,124/158,875
  6. Step 6: Final answer
    x = 688,846.89

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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.