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Finding the Third Proportional to 608.34 and 866.95

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Solution

The third proportional to 608.34 and 866.95 is: 1,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.34 : 866.95 = 866.95 : x
  2. Step 2: Convert to fraction form
    608.34/866.95 = 866.95/x
  3. Step 3: Cross multiply
    608.34x = 866.95 × 866.95
  4. Step 4: Simplify right side
    608.34x = 751,607.72
  5. Step 5: Solve for x
    x = 751,607.72/608.34
  6. Step 6: Final answer
    x = 1,235.50

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.