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Finding the Third Proportional to 13,890,256 and 29,913,940

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Solution

The third proportional to 13,890,256 and 29,913,940 is: 64,422,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,256 : 29,913,940 = 29,913,940 : x
  2. Step 2: Convert to fraction form
    13,890,256/29,913,940 = 29,913,940/x
  3. Step 3: Cross multiply
    13,890,256x = 29,913,940 × 29,913,940
  4. Step 4: Simplify right side
    13,890,256x = 894,843,806,323,600
  5. Step 5: Solve for x
    x = 894,843,806,323,600/13,890,256
  6. Step 6: Final answer
    x = 64,422,412.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.