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Finding the Third Proportional to 776.63 and 1,202.63

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Solution

The third proportional to 776.63 and 1,202.63 is: 1,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    776.63 : 1,202.63 = 1,202.63 : x
  2. Step 2: Convert to fraction form
    776.63/1,202.63 = 1,202.63/x
  3. Step 3: Cross multiply
    776.63x = 1,202.63 × 1,202.63
  4. Step 4: Simplify right side
    776.63x = 1,446,306.89
  5. Step 5: Solve for x
    x = 1,446,306.89/776.63
  6. Step 6: Final answer
    x = 1,862.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.