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Finding the Third Proportional to 55,616,398 and 81,433,612

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Solution

The third proportional to 55,616,398 and 81,433,612 is: 119,235,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616,398 : 81,433,612 = 81,433,612 : x
  2. Step 2: Convert to fraction form
    55,616,398/81,433,612 = 81,433,612/x
  3. Step 3: Cross multiply
    55,616,398x = 81,433,612 × 81,433,612
  4. Step 4: Simplify right side
    55,616,398x = 6,631,433,163,366,544
  5. Step 5: Solve for x
    x = 6,631,433,163,366,544/55,616,398
  6. Step 6: Final answer
    x = 119,235,214.83

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.