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Finding the Third Proportional to 1,860,663 and 3,990,545.25

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Solution

The third proportional to 1,860,663 and 3,990,545.25 is: 8,558,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,663 : 3,990,545.25 = 3,990,545.25 : x
  2. Step 2: Convert to fraction form
    1,860,663/3,990,545.25 = 3,990,545.25/x
  3. Step 3: Cross multiply
    1,860,663x = 3,990,545.25 × 3,990,545.25
  4. Step 4: Simplify right side
    1,860,663x = 15,924,451,392,297.56
  5. Step 5: Solve for x
    x = 15,924,451,392,297.56/1,860,663
  6. Step 6: Final answer
    x = 8,558,482.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.