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Finding the Third Proportional to 339,552 and 744,390

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Solution

The third proportional to 339,552 and 744,390 is: 1,631,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,552 : 744,390 = 744,390 : x
  2. Step 2: Convert to fraction form
    339,552/744,390 = 744,390/x
  3. Step 3: Cross multiply
    339,552x = 744,390 × 744,390
  4. Step 4: Simplify right side
    339,552x = 554,116,472,100
  5. Step 5: Solve for x
    x = 554,116,472,100/339,552
  6. Step 6: Final answer
    x = 1,631,904.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.