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Finding the Third Proportional to 917.16 and 1,803.94

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Solution

The third proportional to 917.16 and 1,803.94 is: 3,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    917.16 : 1,803.94 = 1,803.94 : x
  2. Step 2: Convert to fraction form
    917.16/1,803.94 = 1,803.94/x
  3. Step 3: Cross multiply
    917.16x = 1,803.94 × 1,803.94
  4. Step 4: Simplify right side
    917.16x = 3,254,190.50
  5. Step 5: Solve for x
    x = 3,254,190.50/917.16
  6. Step 6: Final answer
    x = 3,548.13

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.