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Finding the Third Proportional to 790 and 848

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Solution

The third proportional to 790 and 848 is: 910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    790 : 848 = 848 : x
  2. Step 2: Convert to fraction form
    790/848 = 848/x
  3. Step 3: Cross multiply
    790x = 848 × 848
  4. Step 4: Simplify right side
    790x = 719,104
  5. Step 5: Solve for x
    x = 719,104/790
  6. Step 6: Final answer
    x = 910.26

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.