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Finding the Third Proportional to 91,472 and 199,776

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Solution

The third proportional to 91,472 and 199,776 is: 436,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,472 : 199,776 = 199,776 : x
  2. Step 2: Convert to fraction form
    91,472/199,776 = 199,776/x
  3. Step 3: Cross multiply
    91,472x = 199,776 × 199,776
  4. Step 4: Simplify right side
    91,472x = 39,910,450,176
  5. Step 5: Solve for x
    x = 39,910,450,176/91,472
  6. Step 6: Final answer
    x = 436,313.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.