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Finding the Third Proportional to 203,502.50 and 299,156.50

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Solution

The third proportional to 203,502.50 and 299,156.50 is: 439,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,502.50 : 299,156.50 = 299,156.50 : x
  2. Step 2: Convert to fraction form
    203,502.50/299,156.50 = 299,156.50/x
  3. Step 3: Cross multiply
    203,502.50x = 299,156.50 × 299,156.50
  4. Step 4: Simplify right side
    203,502.50x = 89,494,611,492.25
  5. Step 5: Solve for x
    x = 89,494,611,492.25/203,502.50
  6. Step 6: Final answer
    x = 439,771.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.