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Finding the Third Proportional to 3,321,331.88 and 7,152,051.38

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Solution

The third proportional to 3,321,331.88 and 7,152,051.38 is: 15,401,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,331.88 : 7,152,051.38 = 7,152,051.38 : x
  2. Step 2: Convert to fraction form
    3,321,331.88/7,152,051.38 = 7,152,051.38/x
  3. Step 3: Cross multiply
    3,321,331.88x = 7,152,051.38 × 7,152,051.38
  4. Step 4: Simplify right side
    3,321,331.88x = 51,151,838,870,639.39
  5. Step 5: Solve for x
    x = 51,151,838,870,639.39/3,321,331.88
  6. Step 6: Final answer
    x = 15,401,002.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.