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Finding the Third Proportional to 76,720,005 and 164,322,522

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Solution

The third proportional to 76,720,005 and 164,322,522 is: 351,953,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,720,005 : 164,322,522 = 164,322,522 : x
  2. Step 2: Convert to fraction form
    76,720,005/164,322,522 = 164,322,522/x
  3. Step 3: Cross multiply
    76,720,005x = 164,322,522 × 164,322,522
  4. Step 4: Simplify right side
    76,720,005x = 27,001,891,236,440,484
  5. Step 5: Solve for x
    x = 27,001,891,236,440,484/76,720,005
  6. Step 6: Final answer
    x = 351,953,721.02

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.