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Finding the Third Proportional to 8,616,904 and 12,758,981

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Solution

The third proportional to 8,616,904 and 12,758,981 is: 18,892,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616,904 : 12,758,981 = 12,758,981 : x
  2. Step 2: Convert to fraction form
    8,616,904/12,758,981 = 12,758,981/x
  3. Step 3: Cross multiply
    8,616,904x = 12,758,981 × 12,758,981
  4. Step 4: Simplify right side
    8,616,904x = 162,791,596,158,361
  5. Step 5: Solve for x
    x = 162,791,596,158,361/8,616,904
  6. Step 6: Final answer
    x = 18,892,121.36

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.