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Finding the Third Proportional to 140,017.50 and 212,622.75

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Solution

The third proportional to 140,017.50 and 212,622.75 is: 322,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,017.50 : 212,622.75 = 212,622.75 : x
  2. Step 2: Convert to fraction form
    140,017.50/212,622.75 = 212,622.75/x
  3. Step 3: Cross multiply
    140,017.50x = 212,622.75 × 212,622.75
  4. Step 4: Simplify right side
    140,017.50x = 45,208,433,817.56
  5. Step 5: Solve for x
    x = 45,208,433,817.56/140,017.50
  6. Step 6: Final answer
    x = 322,877.02

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.