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Finding the Third Proportional to 917.25 and 2,010.38

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Solution

The third proportional to 917.25 and 2,010.38 is: 4,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    917.25 : 2,010.38 = 2,010.38 : x
  2. Step 2: Convert to fraction form
    917.25/2,010.38 = 2,010.38/x
  3. Step 3: Cross multiply
    917.25x = 2,010.38 × 2,010.38
  4. Step 4: Simplify right side
    917.25x = 4,041,607.64
  5. Step 5: Solve for x
    x = 4,041,607.64/917.25
  6. Step 6: Final answer
    x = 4,406.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.