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Finding the Third Proportional to 15,295.36 and 21,539.67

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Solution

The third proportional to 15,295.36 and 21,539.67 is: 30,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.36 : 21,539.67 = 21,539.67 : x
  2. Step 2: Convert to fraction form
    15,295.36/21,539.67 = 21,539.67/x
  3. Step 3: Cross multiply
    15,295.36x = 21,539.67 × 21,539.67
  4. Step 4: Simplify right side
    15,295.36x = 463,957,464.48
  5. Step 5: Solve for x
    x = 463,957,464.48/15,295.36
  6. Step 6: Final answer
    x = 30,333.22

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.