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Finding the Third Proportional to 151,539,583 and 221,640,670

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Solution

The third proportional to 151,539,583 and 221,640,670 is: 324,169,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,539,583 : 221,640,670 = 221,640,670 : x
  2. Step 2: Convert to fraction form
    151,539,583/221,640,670 = 221,640,670/x
  3. Step 3: Cross multiply
    151,539,583x = 221,640,670 × 221,640,670
  4. Step 4: Simplify right side
    151,539,583x = 49,124,586,598,048,896
  5. Step 5: Solve for x
    x = 49,124,586,598,048,896/151,539,583
  6. Step 6: Final answer
    x = 324,169,999.85

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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.