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Finding the Third Proportional to 158,873 and 330,813

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Solution

The third proportional to 158,873 and 330,813 is: 688,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,873 : 330,813 = 330,813 : x
  2. Step 2: Convert to fraction form
    158,873/330,813 = 330,813/x
  3. Step 3: Cross multiply
    158,873x = 330,813 × 330,813
  4. Step 4: Simplify right side
    158,873x = 109,437,240,969
  5. Step 5: Solve for x
    x = 109,437,240,969/158,873
  6. Step 6: Final answer
    x = 688,834.74

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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.