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Finding the Third Proportional to 69,081,540.75 and 148,924,215

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Solution

The third proportional to 69,081,540.75 and 148,924,215 is: 321,047,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081,540.75 : 148,924,215 = 148,924,215 : x
  2. Step 2: Convert to fraction form
    69,081,540.75/148,924,215 = 148,924,215/x
  3. Step 3: Cross multiply
    69,081,540.75x = 148,924,215 × 148,924,215
  4. Step 4: Simplify right side
    69,081,540.75x = 22,178,421,813,366,224
  5. Step 5: Solve for x
    x = 22,178,421,813,366,224/69,081,540.75
  6. Step 6: Final answer
    x = 321,047,005.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.