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Finding the Third Proportional to 338,112 and 713,947

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Solution

The third proportional to 338,112 and 713,947 is: 1,507,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,112 : 713,947 = 713,947 : x
  2. Step 2: Convert to fraction form
    338,112/713,947 = 713,947/x
  3. Step 3: Cross multiply
    338,112x = 713,947 × 713,947
  4. Step 4: Simplify right side
    338,112x = 509,720,318,809
  5. Step 5: Solve for x
    x = 509,720,318,809/338,112
  6. Step 6: Final answer
    x = 1,507,548.74

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.