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Finding the Third Proportional to 407.53 and 883.41

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Solution

The third proportional to 407.53 and 883.41 is: 1,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.53 : 883.41 = 883.41 : x
  2. Step 2: Convert to fraction form
    407.53/883.41 = 883.41/x
  3. Step 3: Cross multiply
    407.53x = 883.41 × 883.41
  4. Step 4: Simplify right side
    407.53x = 780,406.60
  5. Step 5: Solve for x
    x = 780,406.60/407.53
  6. Step 6: Final answer
    x = 1,914.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.