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Finding the Third Proportional to 139,913.44 and 306,070.88

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Solution

The third proportional to 139,913.44 and 306,070.88 is: 669,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,913.44 : 306,070.88 = 306,070.88 : x
  2. Step 2: Convert to fraction form
    139,913.44/306,070.88 = 306,070.88/x
  3. Step 3: Cross multiply
    139,913.44x = 306,070.88 × 306,070.88
  4. Step 4: Simplify right side
    139,913.44x = 93,679,380,523.27
  5. Step 5: Solve for x
    x = 93,679,380,523.27/139,913.44
  6. Step 6: Final answer
    x = 669,552.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.