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Finding the Third Proportional to 63,902,109.75 and 139,968,057

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Solution

The third proportional to 63,902,109.75 and 139,968,057 is: 306,579,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,902,109.75 : 139,968,057 = 139,968,057 : x
  2. Step 2: Convert to fraction form
    63,902,109.75/139,968,057 = 139,968,057/x
  3. Step 3: Cross multiply
    63,902,109.75x = 139,968,057 × 139,968,057
  4. Step 4: Simplify right side
    63,902,109.75x = 19,591,056,980,355,248
  5. Step 5: Solve for x
    x = 19,591,056,980,355,248/63,902,109.75
  6. Step 6: Final answer
    x = 306,579,188.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.