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Finding the Third Proportional to 74,372,784 and 161,915,232

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Solution

The third proportional to 74,372,784 and 161,915,232 is: 352,501,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372,784 : 161,915,232 = 161,915,232 : x
  2. Step 2: Convert to fraction form
    74,372,784/161,915,232 = 161,915,232/x
  3. Step 3: Cross multiply
    74,372,784x = 161,915,232 × 161,915,232
  4. Step 4: Simplify right side
    74,372,784x = 26,216,542,353,613,824
  5. Step 5: Solve for x
    x = 26,216,542,353,613,824/74,372,784
  6. Step 6: Final answer
    x = 352,501,828.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.