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Finding the Third Proportional to 48,451,911.75 and 74,474,069.63

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Solution

The third proportional to 48,451,911.75 and 74,474,069.63 is: 114,471,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,451,911.75 : 74,474,069.63 = 74,474,069.63 : x
  2. Step 2: Convert to fraction form
    48,451,911.75/74,474,069.63 = 74,474,069.63/x
  3. Step 3: Cross multiply
    48,451,911.75x = 74,474,069.63 × 74,474,069.63
  4. Step 4: Simplify right side
    48,451,911.75x = 5,546,387,046,509,348
  5. Step 5: Solve for x
    x = 5,546,387,046,509,348/48,451,911.75
  6. Step 6: Final answer
    x = 114,471,995.97

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.