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Finding the Third Proportional to 72,184,450 and 155,874,518

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Solution

The third proportional to 72,184,450 and 155,874,518 is: 336,594,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,450 : 155,874,518 = 155,874,518 : x
  2. Step 2: Convert to fraction form
    72,184,450/155,874,518 = 155,874,518/x
  3. Step 3: Cross multiply
    72,184,450x = 155,874,518 × 155,874,518
  4. Step 4: Simplify right side
    72,184,450x = 24,296,865,361,732,324
  5. Step 5: Solve for x
    x = 24,296,865,361,732,324/72,184,450
  6. Step 6: Final answer
    x = 336,594,174.53

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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.