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Finding the Third Proportional to 61,793 and 135,618

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Solution

The third proportional to 61,793 and 135,618 is: 297,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793 : 135,618 = 135,618 : x
  2. Step 2: Convert to fraction form
    61,793/135,618 = 135,618/x
  3. Step 3: Cross multiply
    61,793x = 135,618 × 135,618
  4. Step 4: Simplify right side
    61,793x = 18,392,241,924
  5. Step 5: Solve for x
    x = 18,392,241,924/61,793
  6. Step 6: Final answer
    x = 297,642.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.