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Finding the Third Proportional to 55,588,439 and 80,193,648

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Solution

The third proportional to 55,588,439 and 80,193,648 is: 115,689,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588,439 : 80,193,648 = 80,193,648 : x
  2. Step 2: Convert to fraction form
    55,588,439/80,193,648 = 80,193,648/x
  3. Step 3: Cross multiply
    55,588,439x = 80,193,648 × 80,193,648
  4. Step 4: Simplify right side
    55,588,439x = 6,431,021,179,547,904
  5. Step 5: Solve for x
    x = 6,431,021,179,547,904/55,588,439
  6. Step 6: Final answer
    x = 115,689,904.15

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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.