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Finding the Third Proportional to 194,185 and 415,354

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Solution

The third proportional to 194,185 and 415,354 is: 888,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,185 : 415,354 = 415,354 : x
  2. Step 2: Convert to fraction form
    194,185/415,354 = 415,354/x
  3. Step 3: Cross multiply
    194,185x = 415,354 × 415,354
  4. Step 4: Simplify right side
    194,185x = 172,518,945,316
  5. Step 5: Solve for x
    x = 172,518,945,316/194,185
  6. Step 6: Final answer
    x = 888,425.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.