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Finding the Third Proportional to 28,909,492 and 62,857,640

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Solution

The third proportional to 28,909,492 and 62,857,640 is: 136,670,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,492 : 62,857,640 = 62,857,640 : x
  2. Step 2: Convert to fraction form
    28,909,492/62,857,640 = 62,857,640/x
  3. Step 3: Cross multiply
    28,909,492x = 62,857,640 × 62,857,640
  4. Step 4: Simplify right side
    28,909,492x = 3,951,082,906,369,600
  5. Step 5: Solve for x
    x = 3,951,082,906,369,600/28,909,492
  6. Step 6: Final answer
    x = 136,670,782.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.