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Finding the Third Proportional to 129,051 and 193,630.50

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Solution

The third proportional to 129,051 and 193,630.50 is: 290,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,051 : 193,630.50 = 193,630.50 : x
  2. Step 2: Convert to fraction form
    129,051/193,630.50 = 193,630.50/x
  3. Step 3: Cross multiply
    129,051x = 193,630.50 × 193,630.50
  4. Step 4: Simplify right side
    129,051x = 37,492,770,530.25
  5. Step 5: Solve for x
    x = 37,492,770,530.25/129,051
  6. Step 6: Final answer
    x = 290,526.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.