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Finding the Third Proportional to 3,335,242.50 and 7,280,401.50

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Solution

The third proportional to 3,335,242.50 and 7,280,401.50 is: 15,892,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335,242.50 : 7,280,401.50 = 7,280,401.50 : x
  2. Step 2: Convert to fraction form
    3,335,242.50/7,280,401.50 = 7,280,401.50/x
  3. Step 3: Cross multiply
    3,335,242.50x = 7,280,401.50 × 7,280,401.50
  4. Step 4: Simplify right side
    3,335,242.50x = 53,004,246,001,202.25
  5. Step 5: Solve for x
    x = 53,004,246,001,202.25/3,335,242.50
  6. Step 6: Final answer
    x = 15,892,171.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.