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Finding the Third Proportional to 47,269,980 and 102,822,129

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Solution

The third proportional to 47,269,980 and 102,822,129 is: 223,659,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269,980 : 102,822,129 = 102,822,129 : x
  2. Step 2: Convert to fraction form
    47,269,980/102,822,129 = 102,822,129/x
  3. Step 3: Cross multiply
    47,269,980x = 102,822,129 × 102,822,129
  4. Step 4: Simplify right side
    47,269,980x = 10,572,390,212,092,640
  5. Step 5: Solve for x
    x = 10,572,390,212,092,640/47,269,980
  6. Step 6: Final answer
    x = 223,659,714.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.