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Finding the Third Proportional to 4,455 and 7,053.75

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Solution

The third proportional to 4,455 and 7,053.75 is: 11,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455 : 7,053.75 = 7,053.75 : x
  2. Step 2: Convert to fraction form
    4,455/7,053.75 = 7,053.75/x
  3. Step 3: Cross multiply
    4,455x = 7,053.75 × 7,053.75
  4. Step 4: Simplify right side
    4,455x = 49,755,389.06
  5. Step 5: Solve for x
    x = 49,755,389.06/4,455
  6. Step 6: Final answer
    x = 11,168.44

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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.