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Finding the Third Proportional to 133,909 and 183,618

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Solution

The third proportional to 133,909 and 183,618 is: 251,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,909 : 183,618 = 183,618 : x
  2. Step 2: Convert to fraction form
    133,909/183,618 = 183,618/x
  3. Step 3: Cross multiply
    133,909x = 183,618 × 183,618
  4. Step 4: Simplify right side
    133,909x = 33,715,569,924
  5. Step 5: Solve for x
    x = 33,715,569,924/133,909
  6. Step 6: Final answer
    x = 251,779.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.