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Finding the Third Proportional to 20,281.50 and 51,853.50

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Solution

The third proportional to 20,281.50 and 51,853.50 is: 132,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.50 : 51,853.50 = 51,853.50 : x
  2. Step 2: Convert to fraction form
    20,281.50/51,853.50 = 51,853.50/x
  3. Step 3: Cross multiply
    20,281.50x = 51,853.50 × 51,853.50
  4. Step 4: Simplify right side
    20,281.50x = 2,688,785,462.25
  5. Step 5: Solve for x
    x = 2,688,785,462.25/20,281.50
  6. Step 6: Final answer
    x = 132,573.30

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.