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Finding the Third Proportional to 792.98 and 1,220.06

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Solution

The third proportional to 792.98 and 1,220.06 is: 1,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.98 : 1,220.06 = 1,220.06 : x
  2. Step 2: Convert to fraction form
    792.98/1,220.06 = 1,220.06/x
  3. Step 3: Cross multiply
    792.98x = 1,220.06 × 1,220.06
  4. Step 4: Simplify right side
    792.98x = 1,488,552.50
  5. Step 5: Solve for x
    x = 1,488,552.50/792.98
  6. Step 6: Final answer
    x = 1,877.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.