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Finding the Third Proportional to 918.84 and 2,068.03

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Solution

The third proportional to 918.84 and 2,068.03 is: 4,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    918.84 : 2,068.03 = 2,068.03 : x
  2. Step 2: Convert to fraction form
    918.84/2,068.03 = 2,068.03/x
  3. Step 3: Cross multiply
    918.84x = 2,068.03 × 2,068.03
  4. Step 4: Simplify right side
    918.84x = 4,276,753.25
  5. Step 5: Solve for x
    x = 4,276,753.25/918.84
  6. Step 6: Final answer
    x = 4,654.49

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.