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Finding the Third Proportional to 158,598 and 330,354

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Solution

The third proportional to 158,598 and 330,354 is: 688,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,598 : 330,354 = 330,354 : x
  2. Step 2: Convert to fraction form
    158,598/330,354 = 330,354/x
  3. Step 3: Cross multiply
    158,598x = 330,354 × 330,354
  4. Step 4: Simplify right side
    158,598x = 109,133,765,316
  5. Step 5: Solve for x
    x = 109,133,765,316/158,598
  6. Step 6: Final answer
    x = 688,115.65

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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.