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Finding the Third Proportional to 3,362 and 7,812.50

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Solution

The third proportional to 3,362 and 7,812.50 is: 18,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362 : 7,812.50 = 7,812.50 : x
  2. Step 2: Convert to fraction form
    3,362/7,812.50 = 7,812.50/x
  3. Step 3: Cross multiply
    3,362x = 7,812.50 × 7,812.50
  4. Step 4: Simplify right side
    3,362x = 61,035,156.25
  5. Step 5: Solve for x
    x = 61,035,156.25/3,362
  6. Step 6: Final answer
    x = 18,154.42

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.