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Finding the Third Proportional to 139,847,607 and 219,379,482

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Solution

The third proportional to 139,847,607 and 219,379,482 is: 344,141,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,847,607 : 219,379,482 = 219,379,482 : x
  2. Step 2: Convert to fraction form
    139,847,607/219,379,482 = 219,379,482/x
  3. Step 3: Cross multiply
    139,847,607x = 219,379,482 × 219,379,482
  4. Step 4: Simplify right side
    139,847,607x = 48,127,357,122,588,320
  5. Step 5: Solve for x
    x = 48,127,357,122,588,320/139,847,607
  6. Step 6: Final answer
    x = 344,141,441.92

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.