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Finding the Third Proportional to 8,466,122 and 12,777,915

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Solution

The third proportional to 8,466,122 and 12,777,915 is: 19,285,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466,122 : 12,777,915 = 12,777,915 : x
  2. Step 2: Convert to fraction form
    8,466,122/12,777,915 = 12,777,915/x
  3. Step 3: Cross multiply
    8,466,122x = 12,777,915 × 12,777,915
  4. Step 4: Simplify right side
    8,466,122x = 163,275,111,747,225
  5. Step 5: Solve for x
    x = 163,275,111,747,225/8,466,122
  6. Step 6: Final answer
    x = 19,285,702.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.