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Finding the Third Proportional to 139,212,032 and 289,857,881.50

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Solution

The third proportional to 139,212,032 and 289,857,881.50 is: 603,522,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,212,032 : 289,857,881.50 = 289,857,881.50 : x
  2. Step 2: Convert to fraction form
    139,212,032/289,857,881.50 = 289,857,881.50/x
  3. Step 3: Cross multiply
    139,212,032x = 289,857,881.50 × 289,857,881.50
  4. Step 4: Simplify right side
    139,212,032x = 84,017,591,467,668,048
  5. Step 5: Solve for x
    x = 84,017,591,467,668,048/139,212,032
  6. Step 6: Final answer
    x = 603,522,484.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.