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Finding the Third Proportional to 18,230,272 and 28,218,792

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Solution

The third proportional to 18,230,272 and 28,218,792 is: 43,680,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230,272 : 28,218,792 = 28,218,792 : x
  2. Step 2: Convert to fraction form
    18,230,272/28,218,792 = 28,218,792/x
  3. Step 3: Cross multiply
    18,230,272x = 28,218,792 × 28,218,792
  4. Step 4: Simplify right side
    18,230,272x = 796,300,221,939,264
  5. Step 5: Solve for x
    x = 796,300,221,939,264/18,230,272
  6. Step 6: Final answer
    x = 43,680,106.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.