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Finding the Third Proportional to 839,428.50 and 1,798,629

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Solution

The third proportional to 839,428.50 and 1,798,629 is: 3,853,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,428.50 : 1,798,629 = 1,798,629 : x
  2. Step 2: Convert to fraction form
    839,428.50/1,798,629 = 1,798,629/x
  3. Step 3: Cross multiply
    839,428.50x = 1,798,629 × 1,798,629
  4. Step 4: Simplify right side
    839,428.50x = 3,235,066,279,641
  5. Step 5: Solve for x
    x = 3,235,066,279,641/839,428.50
  6. Step 6: Final answer
    x = 3,853,891.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.