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Finding the Third Proportional to 53,435 and 117,535

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Solution

The third proportional to 53,435 and 117,535 is: 258,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,435 : 117,535 = 117,535 : x
  2. Step 2: Convert to fraction form
    53,435/117,535 = 117,535/x
  3. Step 3: Cross multiply
    53,435x = 117,535 × 117,535
  4. Step 4: Simplify right side
    53,435x = 13,814,476,225
  5. Step 5: Solve for x
    x = 13,814,476,225/53,435
  6. Step 6: Final answer
    x = 258,528.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.