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Finding the Third Proportional to 53,683 and 117,986

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Solution

The third proportional to 53,683 and 117,986 is: 259,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,683 : 117,986 = 117,986 : x
  2. Step 2: Convert to fraction form
    53,683/117,986 = 117,986/x
  3. Step 3: Cross multiply
    53,683x = 117,986 × 117,986
  4. Step 4: Simplify right side
    53,683x = 13,920,696,196
  5. Step 5: Solve for x
    x = 13,920,696,196/53,683
  6. Step 6: Final answer
    x = 259,312.93

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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.