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Finding the Third Proportional to 61,975 and 127,618

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Solution

The third proportional to 61,975 and 127,618 is: 262,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,975 : 127,618 = 127,618 : x
  2. Step 2: Convert to fraction form
    61,975/127,618 = 127,618/x
  3. Step 3: Cross multiply
    61,975x = 127,618 × 127,618
  4. Step 4: Simplify right side
    61,975x = 16,286,353,924
  5. Step 5: Solve for x
    x = 16,286,353,924/61,975
  6. Step 6: Final answer
    x = 262,789.09

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.