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Finding the Third Proportional to 53,588 and 117,685

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Solution

The third proportional to 53,588 and 117,685 is: 258,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,588 : 117,685 = 117,685 : x
  2. Step 2: Convert to fraction form
    53,588/117,685 = 117,685/x
  3. Step 3: Cross multiply
    53,588x = 117,685 × 117,685
  4. Step 4: Simplify right side
    53,588x = 13,849,759,225
  5. Step 5: Solve for x
    x = 13,849,759,225/53,588
  6. Step 6: Final answer
    x = 258,448.89

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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.