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Finding the Third Proportional to 55,258 and 117,085

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Solution

The third proportional to 55,258 and 117,085 is: 248,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258 : 117,085 = 117,085 : x
  2. Step 2: Convert to fraction form
    55,258/117,085 = 117,085/x
  3. Step 3: Cross multiply
    55,258x = 117,085 × 117,085
  4. Step 4: Simplify right side
    55,258x = 13,708,897,225
  5. Step 5: Solve for x
    x = 13,708,897,225/55,258
  6. Step 6: Final answer
    x = 248,088.91

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.