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Finding the Third Proportional to 152,840,505 and 322,932,210

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Solution

The third proportional to 152,840,505 and 322,932,210 is: 682,313,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,840,505 : 322,932,210 = 322,932,210 : x
  2. Step 2: Convert to fraction form
    152,840,505/322,932,210 = 322,932,210/x
  3. Step 3: Cross multiply
    152,840,505x = 322,932,210 × 322,932,210
  4. Step 4: Simplify right side
    152,840,505x = 104,285,212,255,484,096
  5. Step 5: Solve for x
    x = 104,285,212,255,484,096/152,840,505
  6. Step 6: Final answer
    x = 682,313,973.35

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.