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Finding the Third Proportional to 85,618 and 134,304.50

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Solution

The third proportional to 85,618 and 134,304.50 is: 210,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,618 : 134,304.50 = 134,304.50 : x
  2. Step 2: Convert to fraction form
    85,618/134,304.50 = 134,304.50/x
  3. Step 3: Cross multiply
    85,618x = 134,304.50 × 134,304.50
  4. Step 4: Simplify right side
    85,618x = 18,037,698,720.25
  5. Step 5: Solve for x
    x = 18,037,698,720.25/85,618
  6. Step 6: Final answer
    x = 210,676.48

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.