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Finding the Third Proportional to 3,973,568.91 and 8,582,370.19

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Solution

The third proportional to 3,973,568.91 and 8,582,370.19 is: 18,536,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,568.91 : 8,582,370.19 = 8,582,370.19 : x
  2. Step 2: Convert to fraction form
    3,973,568.91/8,582,370.19 = 8,582,370.19/x
  3. Step 3: Cross multiply
    3,973,568.91x = 8,582,370.19 × 8,582,370.19
  4. Step 4: Simplify right side
    3,973,568.91x = 73,657,078,035,288.78
  5. Step 5: Solve for x
    x = 73,657,078,035,288.78/3,973,568.91
  6. Step 6: Final answer
    x = 18,536,756.19

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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.