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Finding the Third Proportional to 68,530,920 and 93,974,436

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Solution

The third proportional to 68,530,920 and 93,974,436 is: 128,864,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530,920 : 93,974,436 = 93,974,436 : x
  2. Step 2: Convert to fraction form
    68,530,920/93,974,436 = 93,974,436/x
  3. Step 3: Cross multiply
    68,530,920x = 93,974,436 × 93,974,436
  4. Step 4: Simplify right side
    68,530,920x = 8,831,194,621,518,096
  5. Step 5: Solve for x
    x = 8,831,194,621,518,096/68,530,920
  6. Step 6: Final answer
    x = 128,864,381.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.