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Finding the Third Proportional to 73,611,898 and 154,838,930

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Solution

The third proportional to 73,611,898 and 154,838,930 is: 325,695,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,611,898 : 154,838,930 = 154,838,930 : x
  2. Step 2: Convert to fraction form
    73,611,898/154,838,930 = 154,838,930/x
  3. Step 3: Cross multiply
    73,611,898x = 154,838,930 × 154,838,930
  4. Step 4: Simplify right side
    73,611,898x = 23,975,094,243,544,900
  5. Step 5: Solve for x
    x = 23,975,094,243,544,900/73,611,898
  6. Step 6: Final answer
    x = 325,695,911.87

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.