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Finding the Third Proportional to 85,880.50 and 136,284.75

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Solution

The third proportional to 85,880.50 and 136,284.75 is: 216,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,880.50 : 136,284.75 = 136,284.75 : x
  2. Step 2: Convert to fraction form
    85,880.50/136,284.75 = 136,284.75/x
  3. Step 3: Cross multiply
    85,880.50x = 136,284.75 × 136,284.75
  4. Step 4: Simplify right side
    85,880.50x = 18,573,533,082.56
  5. Step 5: Solve for x
    x = 18,573,533,082.56/85,880.50
  6. Step 6: Final answer
    x = 216,271.83

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.