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Finding the Third Proportional to 12,914,640 and 28,348,380

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Solution

The third proportional to 12,914,640 and 28,348,380 is: 62,226,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,640 : 28,348,380 = 28,348,380 : x
  2. Step 2: Convert to fraction form
    12,914,640/28,348,380 = 28,348,380/x
  3. Step 3: Cross multiply
    12,914,640x = 28,348,380 × 28,348,380
  4. Step 4: Simplify right side
    12,914,640x = 803,630,648,624,400
  5. Step 5: Solve for x
    x = 803,630,648,624,400/12,914,640
  6. Step 6: Final answer
    x = 62,226,329.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.