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Finding the Third Proportional to 3,973,561.31 and 8,582,352.47

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Solution

The third proportional to 3,973,561.31 and 8,582,352.47 is: 18,536,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,561.31 : 8,582,352.47 = 8,582,352.47 : x
  2. Step 2: Convert to fraction form
    3,973,561.31/8,582,352.47 = 8,582,352.47/x
  3. Step 3: Cross multiply
    3,973,561.31x = 8,582,352.47 × 8,582,352.47
  4. Step 4: Simplify right side
    3,973,561.31x = 73,656,773,897,859.22
  5. Step 5: Solve for x
    x = 73,656,773,897,859.22/3,973,561.31
  6. Step 6: Final answer
    x = 18,536,715.08

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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.