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Finding the Third Proportional to 35,686 and 53,258

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Solution

The third proportional to 35,686 and 53,258 is: 79,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686 : 53,258 = 53,258 : x
  2. Step 2: Convert to fraction form
    35,686/53,258 = 53,258/x
  3. Step 3: Cross multiply
    35,686x = 53,258 × 53,258
  4. Step 4: Simplify right side
    35,686x = 2,836,414,564
  5. Step 5: Solve for x
    x = 2,836,414,564/35,686
  6. Step 6: Final answer
    x = 79,482.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.