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Finding the Third Proportional to 55,590,486.75 and 80,196,111

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Solution

The third proportional to 55,590,486.75 and 80,196,111 is: 115,692,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590,486.75 : 80,196,111 = 80,196,111 : x
  2. Step 2: Convert to fraction form
    55,590,486.75/80,196,111 = 80,196,111/x
  3. Step 3: Cross multiply
    55,590,486.75x = 80,196,111 × 80,196,111
  4. Step 4: Simplify right side
    55,590,486.75x = 6,431,416,219,524,321
  5. Step 5: Solve for x
    x = 6,431,416,219,524,321/55,590,486.75
  6. Step 6: Final answer
    x = 115,692,748.81

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.