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Finding the Third Proportional to 12,925,478 and 28,005,115

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Solution

The third proportional to 12,925,478 and 28,005,115 is: 60,677,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925,478 : 28,005,115 = 28,005,115 : x
  2. Step 2: Convert to fraction form
    12,925,478/28,005,115 = 28,005,115/x
  3. Step 3: Cross multiply
    12,925,478x = 28,005,115 × 28,005,115
  4. Step 4: Simplify right side
    12,925,478x = 784,286,466,163,225
  5. Step 5: Solve for x
    x = 784,286,466,163,225/12,925,478
  6. Step 6: Final answer
    x = 60,677,559.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.