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Finding the Third Proportional to 4,813,780 and 10,572,396

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Solution

The third proportional to 4,813,780 and 10,572,396 is: 23,219,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,780 : 10,572,396 = 10,572,396 : x
  2. Step 2: Convert to fraction form
    4,813,780/10,572,396 = 10,572,396/x
  3. Step 3: Cross multiply
    4,813,780x = 10,572,396 × 10,572,396
  4. Step 4: Simplify right side
    4,813,780x = 111,775,557,180,816
  5. Step 5: Solve for x
    x = 111,775,557,180,816/4,813,780
  6. Step 6: Final answer
    x = 23,219,913.91

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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.