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Finding the Third Proportional to 139,830,795 and 211,689,544.50

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Solution

The third proportional to 139,830,795 and 211,689,544.50 is: 320,476,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,830,795 : 211,689,544.50 = 211,689,544.50 : x
  2. Step 2: Convert to fraction form
    139,830,795/211,689,544.50 = 211,689,544.50/x
  3. Step 3: Cross multiply
    139,830,795x = 211,689,544.50 × 211,689,544.50
  4. Step 4: Simplify right side
    139,830,795x = 44,812,463,250,617,480
  5. Step 5: Solve for x
    x = 44,812,463,250,617,480/139,830,795
  6. Step 6: Final answer
    x = 320,476,353.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.