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Finding the Third Proportional to 631,087.50 and 1,299,388.50

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Solution

The third proportional to 631,087.50 and 1,299,388.50 is: 2,675,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,087.50 : 1,299,388.50 = 1,299,388.50 : x
  2. Step 2: Convert to fraction form
    631,087.50/1,299,388.50 = 1,299,388.50/x
  3. Step 3: Cross multiply
    631,087.50x = 1,299,388.50 × 1,299,388.50
  4. Step 4: Simplify right side
    631,087.50x = 1,688,410,473,932.25
  5. Step 5: Solve for x
    x = 1,688,410,473,932.25/631,087.50
  6. Step 6: Final answer
    x = 2,675,398.38

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.