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Finding the Third Proportional to 98,945,078 and 154,071,309

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Solution

The third proportional to 98,945,078 and 154,071,309 is: 239,910,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,945,078 : 154,071,309 = 154,071,309 : x
  2. Step 2: Convert to fraction form
    98,945,078/154,071,309 = 154,071,309/x
  3. Step 3: Cross multiply
    98,945,078x = 154,071,309 × 154,071,309
  4. Step 4: Simplify right side
    98,945,078x = 23,737,968,256,973,480
  5. Step 5: Solve for x
    x = 23,737,968,256,973,480/98,945,078
  6. Step 6: Final answer
    x = 239,910,551.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.