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Finding the Third Proportional to 3,973,585 and 8,582,399

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Solution

The third proportional to 3,973,585 and 8,582,399 is: 18,536,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,585 : 8,582,399 = 8,582,399 : x
  2. Step 2: Convert to fraction form
    3,973,585/8,582,399 = 8,582,399/x
  3. Step 3: Cross multiply
    3,973,585x = 8,582,399 × 8,582,399
  4. Step 4: Simplify right side
    3,973,585x = 73,657,572,595,201
  5. Step 5: Solve for x
    x = 73,657,572,595,201/3,973,585
  6. Step 6: Final answer
    x = 18,536,805.58

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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.