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Finding the Third Proportional to 75,717,842 and 164,702,231

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Solution

The third proportional to 75,717,842 and 164,702,231 is: 358,261,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,717,842 : 164,702,231 = 164,702,231 : x
  2. Step 2: Convert to fraction form
    75,717,842/164,702,231 = 164,702,231/x
  3. Step 3: Cross multiply
    75,717,842x = 164,702,231 × 164,702,231
  4. Step 4: Simplify right side
    75,717,842x = 27,126,824,896,377,360
  5. Step 5: Solve for x
    x = 27,126,824,896,377,360/75,717,842
  6. Step 6: Final answer
    x = 358,261,991.89

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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.