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Finding the Third Proportional to 35,040 and 53,289

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Solution

The third proportional to 35,040 and 53,289 is: 81,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,040 : 53,289 = 53,289 : x
  2. Step 2: Convert to fraction form
    35,040/53,289 = 53,289/x
  3. Step 3: Cross multiply
    35,040x = 53,289 × 53,289
  4. Step 4: Simplify right side
    35,040x = 2,839,717,521
  5. Step 5: Solve for x
    x = 2,839,717,521/35,040
  6. Step 6: Final answer
    x = 81,042.17

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.