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Finding the Third Proportional to 34,348,812 and 74,078,311

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Solution

The third proportional to 34,348,812 and 74,078,311 is: 159,760,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,348,812 : 74,078,311 = 74,078,311 : x
  2. Step 2: Convert to fraction form
    34,348,812/74,078,311 = 74,078,311/x
  3. Step 3: Cross multiply
    34,348,812x = 74,078,311 × 74,078,311
  4. Step 4: Simplify right side
    34,348,812x = 5,487,596,160,612,721
  5. Step 5: Solve for x
    x = 5,487,596,160,612,721/34,348,812
  6. Step 6: Final answer
    x = 159,760,872.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.