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Finding the Third Proportional to 641,568.94 and 1,377,907.88

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Solution

The third proportional to 641,568.94 and 1,377,907.88 is: 2,959,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,568.94 : 1,377,907.88 = 1,377,907.88 : x
  2. Step 2: Convert to fraction form
    641,568.94/1,377,907.88 = 1,377,907.88/x
  3. Step 3: Cross multiply
    641,568.94x = 1,377,907.88 × 1,377,907.88
  4. Step 4: Simplify right side
    641,568.94x = 1,898,630,111,987.02
  5. Step 5: Solve for x
    x = 1,898,630,111,987.02/641,568.94
  6. Step 6: Final answer
    x = 2,959,354.80

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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.