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Finding the Third Proportional to 137,620.50 and 203,875.50

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Solution

The third proportional to 137,620.50 and 203,875.50 is: 302,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,620.50 : 203,875.50 = 203,875.50 : x
  2. Step 2: Convert to fraction form
    137,620.50/203,875.50 = 203,875.50/x
  3. Step 3: Cross multiply
    137,620.50x = 203,875.50 × 203,875.50
  4. Step 4: Simplify right side
    137,620.50x = 41,565,219,500.25
  5. Step 5: Solve for x
    x = 41,565,219,500.25/137,620.50
  6. Step 6: Final answer
    x = 302,027.82

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.