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Finding the Third Proportional to 27,929,659 and 43,592,172

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Solution

The third proportional to 27,929,659 and 43,592,172 is: 68,037,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929,659 : 43,592,172 = 43,592,172 : x
  2. Step 2: Convert to fraction form
    27,929,659/43,592,172 = 43,592,172/x
  3. Step 3: Cross multiply
    27,929,659x = 43,592,172 × 43,592,172
  4. Step 4: Simplify right side
    27,929,659x = 1,900,277,459,677,584
  5. Step 5: Solve for x
    x = 1,900,277,459,677,584/27,929,659
  6. Step 6: Final answer
    x = 68,037,975.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.