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Finding the Third Proportional to 12,377,340 and 18,921,762

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Solution

The third proportional to 12,377,340 and 18,921,762 is: 28,926,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,340 : 18,921,762 = 18,921,762 : x
  2. Step 2: Convert to fraction form
    12,377,340/18,921,762 = 18,921,762/x
  3. Step 3: Cross multiply
    12,377,340x = 18,921,762 × 18,921,762
  4. Step 4: Simplify right side
    12,377,340x = 358,033,077,184,644
  5. Step 5: Solve for x
    x = 358,033,077,184,644/12,377,340
  6. Step 6: Final answer
    x = 28,926,496.10

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.