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Finding the Third Proportional to 12,514,790 and 30,138,899

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Solution

The third proportional to 12,514,790 and 30,138,899 is: 72,582,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514,790 : 30,138,899 = 30,138,899 : x
  2. Step 2: Convert to fraction form
    12,514,790/30,138,899 = 30,138,899/x
  3. Step 3: Cross multiply
    12,514,790x = 30,138,899 × 30,138,899
  4. Step 4: Simplify right side
    12,514,790x = 908,353,232,932,201
  5. Step 5: Solve for x
    x = 908,353,232,932,201/12,514,790
  6. Step 6: Final answer
    x = 72,582,379.16

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.