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Finding the Third Proportional to 74,640,288 and 155,239,392

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Solution

The third proportional to 74,640,288 and 155,239,392 is: 322,872,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640,288 : 155,239,392 = 155,239,392 : x
  2. Step 2: Convert to fraction form
    74,640,288/155,239,392 = 155,239,392/x
  3. Step 3: Cross multiply
    74,640,288x = 155,239,392 × 155,239,392
  4. Step 4: Simplify right side
    74,640,288x = 24,099,268,828,529,664
  5. Step 5: Solve for x
    x = 24,099,268,828,529,664/74,640,288
  6. Step 6: Final answer
    x = 322,872,130.78

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.