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Finding the Third Proportional to 39,933,663 and 57,066,129

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Solution

The third proportional to 39,933,663 and 57,066,129 is: 81,548,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933,663 : 57,066,129 = 57,066,129 : x
  2. Step 2: Convert to fraction form
    39,933,663/57,066,129 = 57,066,129/x
  3. Step 3: Cross multiply
    39,933,663x = 57,066,129 × 57,066,129
  4. Step 4: Simplify right side
    39,933,663x = 3,256,543,079,044,641
  5. Step 5: Solve for x
    x = 3,256,543,079,044,641/39,933,663
  6. Step 6: Final answer
    x = 81,548,819.58

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.