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Finding the Third Proportional to 40,300,839 and 87,443,979.75

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Solution

The third proportional to 40,300,839 and 87,443,979.75 is: 189,734,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300,839 : 87,443,979.75 = 87,443,979.75 : x
  2. Step 2: Convert to fraction form
    40,300,839/87,443,979.75 = 87,443,979.75/x
  3. Step 3: Cross multiply
    40,300,839x = 87,443,979.75 × 87,443,979.75
  4. Step 4: Simplify right side
    40,300,839x = 7,646,449,594,518,410
  5. Step 5: Solve for x
    x = 7,646,449,594,518,410/40,300,839
  6. Step 6: Final answer
    x = 189,734,253.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.