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Finding the Third Proportional to 92,572 and 199,208

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Solution

The third proportional to 92,572 and 199,208 is: 428,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,572 : 199,208 = 199,208 : x
  2. Step 2: Convert to fraction form
    92,572/199,208 = 199,208/x
  3. Step 3: Cross multiply
    92,572x = 199,208 × 199,208
  4. Step 4: Simplify right side
    92,572x = 39,683,827,264
  5. Step 5: Solve for x
    x = 39,683,827,264/92,572
  6. Step 6: Final answer
    x = 428,680.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.