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Finding the Third Proportional to 35,404 and 53,620

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Solution

The third proportional to 35,404 and 53,620 is: 81,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,404 : 53,620 = 53,620 : x
  2. Step 2: Convert to fraction form
    35,404/53,620 = 53,620/x
  3. Step 3: Cross multiply
    35,404x = 53,620 × 53,620
  4. Step 4: Simplify right side
    35,404x = 2,875,104,400
  5. Step 5: Solve for x
    x = 2,875,104,400/35,404
  6. Step 6: Final answer
    x = 81,208.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.