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Finding the Third Proportional to 72,087,361 and 149,284,525

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Solution

The third proportional to 72,087,361 and 149,284,525 is: 309,150,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,087,361 : 149,284,525 = 149,284,525 : x
  2. Step 2: Convert to fraction form
    72,087,361/149,284,525 = 149,284,525/x
  3. Step 3: Cross multiply
    72,087,361x = 149,284,525 × 149,284,525
  4. Step 4: Simplify right side
    72,087,361x = 22,285,869,404,475,624
  5. Step 5: Solve for x
    x = 22,285,869,404,475,624/72,087,361
  6. Step 6: Final answer
    x = 309,150,856.62

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.