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Finding the Third Proportional to 151,539,581 and 221,640,667

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Solution

The third proportional to 151,539,581 and 221,640,667 is: 324,169,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,539,581 : 221,640,667 = 221,640,667 : x
  2. Step 2: Convert to fraction form
    151,539,581/221,640,667 = 221,640,667/x
  3. Step 3: Cross multiply
    151,539,581x = 221,640,667 × 221,640,667
  4. Step 4: Simplify right side
    151,539,581x = 49,124,585,268,204,888
  5. Step 5: Solve for x
    x = 49,124,585,268,204,888/151,539,581
  6. Step 6: Final answer
    x = 324,169,995.35

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.