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Finding the Third Proportional to 444.87 and 653.38

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Solution

The third proportional to 444.87 and 653.38 is: 959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.87 : 653.38 = 653.38 : x
  2. Step 2: Convert to fraction form
    444.87/653.38 = 653.38/x
  3. Step 3: Cross multiply
    444.87x = 653.38 × 653.38
  4. Step 4: Simplify right side
    444.87x = 426,904.00
  5. Step 5: Solve for x
    x = 426,904.00/444.87
  6. Step 6: Final answer
    x = 959.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.