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Finding the Third Proportional to 2,602.13 and 3,416.34

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Solution

The third proportional to 2,602.13 and 3,416.34 is: 4,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.13 : 3,416.34 = 3,416.34 : x
  2. Step 2: Convert to fraction form
    2,602.13/3,416.34 = 3,416.34/x
  3. Step 3: Cross multiply
    2,602.13x = 3,416.34 × 3,416.34
  4. Step 4: Simplify right side
    2,602.13x = 11,671,404.62
  5. Step 5: Solve for x
    x = 11,671,404.62/2,602.13
  6. Step 6: Final answer
    x = 4,485.34

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.