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Finding the Third Proportional to 68,440,590 and 142,542,594

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Solution

The third proportional to 68,440,590 and 142,542,594 is: 296,876,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,440,590 : 142,542,594 = 142,542,594 : x
  2. Step 2: Convert to fraction form
    68,440,590/142,542,594 = 142,542,594/x
  3. Step 3: Cross multiply
    68,440,590x = 142,542,594 × 142,542,594
  4. Step 4: Simplify right side
    68,440,590x = 20,318,391,104,248,836
  5. Step 5: Solve for x
    x = 20,318,391,104,248,836/68,440,590
  6. Step 6: Final answer
    x = 296,876,328.86

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.