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Finding the Third Proportional to 153,309 and 329,925

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Solution

The third proportional to 153,309 and 329,925 is: 710,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,309 : 329,925 = 329,925 : x
  2. Step 2: Convert to fraction form
    153,309/329,925 = 329,925/x
  3. Step 3: Cross multiply
    153,309x = 329,925 × 329,925
  4. Step 4: Simplify right side
    153,309x = 108,850,505,625
  5. Step 5: Solve for x
    x = 108,850,505,625/153,309
  6. Step 6: Final answer
    x = 710,007.28

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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.