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Finding the Third Proportional to 50,328 and 75,618

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Solution

The third proportional to 50,328 and 75,618 is: 113,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,328 : 75,618 = 75,618 : x
  2. Step 2: Convert to fraction form
    50,328/75,618 = 75,618/x
  3. Step 3: Cross multiply
    50,328x = 75,618 × 75,618
  4. Step 4: Simplify right side
    50,328x = 5,718,081,924
  5. Step 5: Solve for x
    x = 5,718,081,924/50,328
  6. Step 6: Final answer
    x = 113,616.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.