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Finding the Third Proportional to 87,489,944 and 191,457,232

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Solution

The third proportional to 87,489,944 and 191,457,232 is: 418,972,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,489,944 : 191,457,232 = 191,457,232 : x
  2. Step 2: Convert to fraction form
    87,489,944/191,457,232 = 191,457,232/x
  3. Step 3: Cross multiply
    87,489,944x = 191,457,232 × 191,457,232
  4. Step 4: Simplify right side
    87,489,944x = 36,655,871,685,101,824
  5. Step 5: Solve for x
    x = 36,655,871,685,101,824/87,489,944
  6. Step 6: Final answer
    x = 418,972,398.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.