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Finding the Third Proportional to 8,651,427.75 and 18,670,736.25

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Solution

The third proportional to 8,651,427.75 and 18,670,736.25 is: 40,293,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,427.75 : 18,670,736.25 = 18,670,736.25 : x
  2. Step 2: Convert to fraction form
    8,651,427.75/18,670,736.25 = 18,670,736.25/x
  3. Step 3: Cross multiply
    8,651,427.75x = 18,670,736.25 × 18,670,736.25
  4. Step 4: Simplify right side
    8,651,427.75x = 348,596,392,117,064.06
  5. Step 5: Solve for x
    x = 348,596,392,117,064.06/8,651,427.75
  6. Step 6: Final answer
    x = 40,293,510.18

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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.