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Finding the Third Proportional to 8,449,776 and 18,246,312

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Solution

The third proportional to 8,449,776 and 18,246,312 is: 39,400,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,776 : 18,246,312 = 18,246,312 : x
  2. Step 2: Convert to fraction form
    8,449,776/18,246,312 = 18,246,312/x
  3. Step 3: Cross multiply
    8,449,776x = 18,246,312 × 18,246,312
  4. Step 4: Simplify right side
    8,449,776x = 332,927,901,601,344
  5. Step 5: Solve for x
    x = 332,927,901,601,344/8,449,776
  6. Step 6: Final answer
    x = 39,400,796.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.