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Finding the Third Proportional to 18,877,783 and 28,664,651

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Solution

The third proportional to 18,877,783 and 28,664,651 is: 43,525,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877,783 : 28,664,651 = 28,664,651 : x
  2. Step 2: Convert to fraction form
    18,877,783/28,664,651 = 28,664,651/x
  3. Step 3: Cross multiply
    18,877,783x = 28,664,651 × 28,664,651
  4. Step 4: Simplify right side
    18,877,783x = 821,662,216,951,801
  5. Step 5: Solve for x
    x = 821,662,216,951,801/18,877,783
  6. Step 6: Final answer
    x = 43,525,355.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.