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Finding the Third Proportional to 340,200 and 730,830.75

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Solution

The third proportional to 340,200 and 730,830.75 is: 1,569,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,200 : 730,830.75 = 730,830.75 : x
  2. Step 2: Convert to fraction form
    340,200/730,830.75 = 730,830.75/x
  3. Step 3: Cross multiply
    340,200x = 730,830.75 × 730,830.75
  4. Step 4: Simplify right side
    340,200x = 534,113,585,145.56
  5. Step 5: Solve for x
    x = 534,113,585,145.56/340,200
  6. Step 6: Final answer
    x = 1,569,998.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.