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Finding the Third Proportional to 7,418,220 and 15,816,297

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Solution

The third proportional to 7,418,220 and 15,816,297 is: 33,721,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,220 : 15,816,297 = 15,816,297 : x
  2. Step 2: Convert to fraction form
    7,418,220/15,816,297 = 15,816,297/x
  3. Step 3: Cross multiply
    7,418,220x = 15,816,297 × 15,816,297
  4. Step 4: Simplify right side
    7,418,220x = 250,155,250,792,209
  5. Step 5: Solve for x
    x = 250,155,250,792,209/7,418,220
  6. Step 6: Final answer
    x = 33,721,735.24

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.