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Finding the Third Proportional to 132,744.50 and 203,156.50

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Solution

The third proportional to 132,744.50 and 203,156.50 is: 310,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,744.50 : 203,156.50 = 203,156.50 : x
  2. Step 2: Convert to fraction form
    132,744.50/203,156.50 = 203,156.50/x
  3. Step 3: Cross multiply
    132,744.50x = 203,156.50 × 203,156.50
  4. Step 4: Simplify right side
    132,744.50x = 41,272,563,492.25
  5. Step 5: Solve for x
    x = 41,272,563,492.25/132,744.50
  6. Step 6: Final answer
    x = 310,917.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.