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Finding the Third Proportional to 2,982.66 and 4,703.06

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Solution

The third proportional to 2,982.66 and 4,703.06 is: 7,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.66 : 4,703.06 = 4,703.06 : x
  2. Step 2: Convert to fraction form
    2,982.66/4,703.06 = 4,703.06/x
  3. Step 3: Cross multiply
    2,982.66x = 4,703.06 × 4,703.06
  4. Step 4: Simplify right side
    2,982.66x = 22,118,796.88
  5. Step 5: Solve for x
    x = 22,118,796.88/2,982.66
  6. Step 6: Final answer
    x = 7,415.80

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.