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Finding the Third Proportional to 3,995,712 and 8,630,820

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Solution

The third proportional to 3,995,712 and 8,630,820 is: 18,642,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,712 : 8,630,820 = 8,630,820 : x
  2. Step 2: Convert to fraction form
    3,995,712/8,630,820 = 8,630,820/x
  3. Step 3: Cross multiply
    3,995,712x = 8,630,820 × 8,630,820
  4. Step 4: Simplify right side
    3,995,712x = 74,491,053,872,400
  5. Step 5: Solve for x
    x = 74,491,053,872,400/3,995,712
  6. Step 6: Final answer
    x = 18,642,748.49

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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.