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Finding the Third Proportional to 108,427.50 and 260,890.50

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Solution

The third proportional to 108,427.50 and 260,890.50 is: 627,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,427.50 : 260,890.50 = 260,890.50 : x
  2. Step 2: Convert to fraction form
    108,427.50/260,890.50 = 260,890.50/x
  3. Step 3: Cross multiply
    108,427.50x = 260,890.50 × 260,890.50
  4. Step 4: Simplify right side
    108,427.50x = 68,063,852,990.25
  5. Step 5: Solve for x
    x = 68,063,852,990.25/108,427.50
  6. Step 6: Final answer
    x = 627,736.07

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.