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Finding the Third Proportional to 131,060,992 and 203,497,169

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Solution

The third proportional to 131,060,992 and 203,497,169 is: 315,968,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060,992 : 203,497,169 = 203,497,169 : x
  2. Step 2: Convert to fraction form
    131,060,992/203,497,169 = 203,497,169/x
  3. Step 3: Cross multiply
    131,060,992x = 203,497,169 × 203,497,169
  4. Step 4: Simplify right side
    131,060,992x = 41,411,097,791,014,560
  5. Step 5: Solve for x
    x = 41,411,097,791,014,560/131,060,992
  6. Step 6: Final answer
    x = 315,968,139.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.