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Finding the Third Proportional to 75,969,920 and 154,624,664

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Solution

The third proportional to 75,969,920 and 154,624,664 is: 314,713,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,969,920 : 154,624,664 = 154,624,664 : x
  2. Step 2: Convert to fraction form
    75,969,920/154,624,664 = 154,624,664/x
  3. Step 3: Cross multiply
    75,969,920x = 154,624,664 × 154,624,664
  4. Step 4: Simplify right side
    75,969,920x = 23,908,786,717,112,896
  5. Step 5: Solve for x
    x = 23,908,786,717,112,896/75,969,920
  6. Step 6: Final answer
    x = 314,713,859.34

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.