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Finding the Third Proportional to 12,876,924 and 18,620,370

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Solution

The third proportional to 12,876,924 and 18,620,370 is: 26,925,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,924 : 18,620,370 = 18,620,370 : x
  2. Step 2: Convert to fraction form
    12,876,924/18,620,370 = 18,620,370/x
  3. Step 3: Cross multiply
    12,876,924x = 18,620,370 × 18,620,370
  4. Step 4: Simplify right side
    12,876,924x = 346,718,178,936,900
  5. Step 5: Solve for x
    x = 346,718,178,936,900/12,876,924
  6. Step 6: Final answer
    x = 26,925,543.63

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.