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Finding the Third Proportional to 4,386,393 and 9,781,334.72

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Solution

The third proportional to 4,386,393 and 9,781,334.72 is: 21,811,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,393 : 9,781,334.72 = 9,781,334.72 : x
  2. Step 2: Convert to fraction form
    4,386,393/9,781,334.72 = 9,781,334.72/x
  3. Step 3: Cross multiply
    4,386,393x = 9,781,334.72 × 9,781,334.72
  4. Step 4: Simplify right side
    4,386,393x = 95,674,508,880,224.14
  5. Step 5: Solve for x
    x = 95,674,508,880,224.14/4,386,393
  6. Step 6: Final answer
    x = 21,811,659.12

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These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.