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Finding the Third Proportional to 7,129,362 and 10,728,081

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Solution

The third proportional to 7,129,362 and 10,728,081 is: 16,143,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,362 : 10,728,081 = 10,728,081 : x
  2. Step 2: Convert to fraction form
    7,129,362/10,728,081 = 10,728,081/x
  3. Step 3: Cross multiply
    7,129,362x = 10,728,081 × 10,728,081
  4. Step 4: Simplify right side
    7,129,362x = 115,091,721,942,561
  5. Step 5: Solve for x
    x = 115,091,721,942,561/7,129,362
  6. Step 6: Final answer
    x = 16,143,341.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.