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Finding the Third Proportional to 4,018,563 and 8,681,707

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Solution

The third proportional to 4,018,563 and 8,681,707 is: 18,755,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018,563 : 8,681,707 = 8,681,707 : x
  2. Step 2: Convert to fraction form
    4,018,563/8,681,707 = 8,681,707/x
  3. Step 3: Cross multiply
    4,018,563x = 8,681,707 × 8,681,707
  4. Step 4: Simplify right side
    4,018,563x = 75,372,036,433,849
  5. Step 5: Solve for x
    x = 75,372,036,433,849/4,018,563
  6. Step 6: Final answer
    x = 18,755,967.35

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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.