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Finding the Third Proportional to 53,298 and 82,539

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Solution

The third proportional to 53,298 and 82,539 is: 127,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298 : 82,539 = 82,539 : x
  2. Step 2: Convert to fraction form
    53,298/82,539 = 82,539/x
  3. Step 3: Cross multiply
    53,298x = 82,539 × 82,539
  4. Step 4: Simplify right side
    53,298x = 6,812,686,521
  5. Step 5: Solve for x
    x = 6,812,686,521/53,298
  6. Step 6: Final answer
    x = 127,822.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.