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Finding the Third Proportional to 72,183,633 and 155,872,869

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Solution

The third proportional to 72,183,633 and 155,872,869 is: 336,590,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,633 : 155,872,869 = 155,872,869 : x
  2. Step 2: Convert to fraction form
    72,183,633/155,872,869 = 155,872,869/x
  3. Step 3: Cross multiply
    72,183,633x = 155,872,869 × 155,872,869
  4. Step 4: Simplify right side
    72,183,633x = 24,296,351,290,291,160
  5. Step 5: Solve for x
    x = 24,296,351,290,291,160/72,183,633
  6. Step 6: Final answer
    x = 336,590,862.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.