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Finding the Third Proportional to 106,143.75 and 154,840.50

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Solution

The third proportional to 106,143.75 and 154,840.50 is: 225,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,143.75 : 154,840.50 = 154,840.50 : x
  2. Step 2: Convert to fraction form
    106,143.75/154,840.50 = 154,840.50/x
  3. Step 3: Cross multiply
    106,143.75x = 154,840.50 × 154,840.50
  4. Step 4: Simplify right side
    106,143.75x = 23,975,580,440.25
  5. Step 5: Solve for x
    x = 23,975,580,440.25/106,143.75
  6. Step 6: Final answer
    x = 225,878.40

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.