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Finding the Third Proportional to 53,444,808 and 82,621,517

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Solution

The third proportional to 53,444,808 and 82,621,517 is: 127,726,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,444,808 : 82,621,517 = 82,621,517 : x
  2. Step 2: Convert to fraction form
    53,444,808/82,621,517 = 82,621,517/x
  3. Step 3: Cross multiply
    53,444,808x = 82,621,517 × 82,621,517
  4. Step 4: Simplify right side
    53,444,808x = 6,826,315,071,381,289
  5. Step 5: Solve for x
    x = 6,826,315,071,381,289/53,444,808
  6. Step 6: Final answer
    x = 127,726,440.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.