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Finding the Third Proportional to 12,690,310 and 19,332,886

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Solution

The third proportional to 12,690,310 and 19,332,886 is: 29,452,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,310 : 19,332,886 = 19,332,886 : x
  2. Step 2: Convert to fraction form
    12,690,310/19,332,886 = 19,332,886/x
  3. Step 3: Cross multiply
    12,690,310x = 19,332,886 × 19,332,886
  4. Step 4: Simplify right side
    12,690,310x = 373,760,481,088,996
  5. Step 5: Solve for x
    x = 373,760,481,088,996/12,690,310
  6. Step 6: Final answer
    x = 29,452,431.11

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.