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Finding the Third Proportional to 18,580,788 and 40,009,050

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Solution

The third proportional to 18,580,788 and 40,009,050 is: 86,149,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580,788 : 40,009,050 = 40,009,050 : x
  2. Step 2: Convert to fraction form
    18,580,788/40,009,050 = 40,009,050/x
  3. Step 3: Cross multiply
    18,580,788x = 40,009,050 × 40,009,050
  4. Step 4: Simplify right side
    18,580,788x = 1,600,724,081,902,500
  5. Step 5: Solve for x
    x = 1,600,724,081,902,500/18,580,788
  6. Step 6: Final answer
    x = 86,149,418.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.