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Finding the Third Proportional to 3,987,590 and 6,186,424

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Solution

The third proportional to 3,987,590 and 6,186,424 is: 9,597,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,590 : 6,186,424 = 6,186,424 : x
  2. Step 2: Convert to fraction form
    3,987,590/6,186,424 = 6,186,424/x
  3. Step 3: Cross multiply
    3,987,590x = 6,186,424 × 6,186,424
  4. Step 4: Simplify right side
    3,987,590x = 38,271,841,907,776
  5. Step 5: Solve for x
    x = 38,271,841,907,776/3,987,590
  6. Step 6: Final answer
    x = 9,597,737.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.