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Finding the Third Proportional to 81,807,477 and 181,775,058

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Solution

The third proportional to 81,807,477 and 181,775,058 is: 403,901,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,807,477 : 181,775,058 = 181,775,058 : x
  2. Step 2: Convert to fraction form
    81,807,477/181,775,058 = 181,775,058/x
  3. Step 3: Cross multiply
    81,807,477x = 181,775,058 × 181,775,058
  4. Step 4: Simplify right side
    81,807,477x = 33,042,171,710,903,364
  5. Step 5: Solve for x
    x = 33,042,171,710,903,364/81,807,477
  6. Step 6: Final answer
    x = 403,901,610.50

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.