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Finding the Third Proportional to 16,840,688 and 36,375,280

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Solution

The third proportional to 16,840,688 and 36,375,280 is: 78,569,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840,688 : 36,375,280 = 36,375,280 : x
  2. Step 2: Convert to fraction form
    16,840,688/36,375,280 = 36,375,280/x
  3. Step 3: Cross multiply
    16,840,688x = 36,375,280 × 36,375,280
  4. Step 4: Simplify right side
    16,840,688x = 1,323,160,995,078,400
  5. Step 5: Solve for x
    x = 1,323,160,995,078,400/16,840,688
  6. Step 6: Final answer
    x = 78,569,295.69

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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.