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Finding the Third Proportional to 363,688.25 and 790,328.50

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Solution

The third proportional to 363,688.25 and 790,328.50 is: 1,717,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,688.25 : 790,328.50 = 790,328.50 : x
  2. Step 2: Convert to fraction form
    363,688.25/790,328.50 = 790,328.50/x
  3. Step 3: Cross multiply
    363,688.25x = 790,328.50 × 790,328.50
  4. Step 4: Simplify right side
    363,688.25x = 624,619,137,912.25
  5. Step 5: Solve for x
    x = 624,619,137,912.25/363,688.25
  6. Step 6: Final answer
    x = 1,717,457.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.