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Finding the Third Proportional to 842,667 and 1,820,008.50

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Solution

The third proportional to 842,667 and 1,820,008.50 is: 3,930,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,667 : 1,820,008.50 = 1,820,008.50 : x
  2. Step 2: Convert to fraction form
    842,667/1,820,008.50 = 1,820,008.50/x
  3. Step 3: Cross multiply
    842,667x = 1,820,008.50 × 1,820,008.50
  4. Step 4: Simplify right side
    842,667x = 3,312,430,940,072.25
  5. Step 5: Solve for x
    x = 3,312,430,940,072.25/842,667
  6. Step 6: Final answer
    x = 3,930,889.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.