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Finding the Third Proportional to 210,144 and 314,474

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Solution

The third proportional to 210,144 and 314,474 is: 470,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,144 : 314,474 = 314,474 : x
  2. Step 2: Convert to fraction form
    210,144/314,474 = 314,474/x
  3. Step 3: Cross multiply
    210,144x = 314,474 × 314,474
  4. Step 4: Simplify right side
    210,144x = 98,893,896,676
  5. Step 5: Solve for x
    x = 98,893,896,676/210,144
  6. Step 6: Final answer
    x = 470,600.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.