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Finding the Third Proportional to 822.94 and 1,308.66

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Solution

The third proportional to 822.94 and 1,308.66 is: 2,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    822.94 : 1,308.66 = 1,308.66 : x
  2. Step 2: Convert to fraction form
    822.94/1,308.66 = 1,308.66/x
  3. Step 3: Cross multiply
    822.94x = 1,308.66 × 1,308.66
  4. Step 4: Simplify right side
    822.94x = 1,712,581.18
  5. Step 5: Solve for x
    x = 1,712,581.18/822.94
  6. Step 6: Final answer
    x = 2,081.06

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.