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Finding the Third Proportional to 315,172.50 and 728,882.25

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Solution

The third proportional to 315,172.50 and 728,882.25 is: 1,685,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,172.50 : 728,882.25 = 728,882.25 : x
  2. Step 2: Convert to fraction form
    315,172.50/728,882.25 = 728,882.25/x
  3. Step 3: Cross multiply
    315,172.50x = 728,882.25 × 728,882.25
  4. Step 4: Simplify right side
    315,172.50x = 531,269,334,365.06
  5. Step 5: Solve for x
    x = 531,269,334,365.06/315,172.50
  6. Step 6: Final answer
    x = 1,685,646.22

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.