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Finding the Third Proportional to 634,644 and 1,321,778.25

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Solution

The third proportional to 634,644 and 1,321,778.25 is: 2,752,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,644 : 1,321,778.25 = 1,321,778.25 : x
  2. Step 2: Convert to fraction form
    634,644/1,321,778.25 = 1,321,778.25/x
  3. Step 3: Cross multiply
    634,644x = 1,321,778.25 × 1,321,778.25
  4. Step 4: Simplify right side
    634,644x = 1,747,097,742,173.06
  5. Step 5: Solve for x
    x = 1,747,097,742,173.06/634,644
  6. Step 6: Final answer
    x = 2,752,878.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.