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Finding the Third Proportional to 175,578 and 414,215

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Solution

The third proportional to 175,578 and 414,215 is: 977,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,578 : 414,215 = 414,215 : x
  2. Step 2: Convert to fraction form
    175,578/414,215 = 414,215/x
  3. Step 3: Cross multiply
    175,578x = 414,215 × 414,215
  4. Step 4: Simplify right side
    175,578x = 171,574,066,225
  5. Step 5: Solve for x
    x = 171,574,066,225/175,578
  6. Step 6: Final answer
    x = 977,195.70

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.