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Finding the Third Proportional to 8,007,822 and 12,409,827.75

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Solution

The third proportional to 8,007,822 and 12,409,827.75 is: 19,231,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,822 : 12,409,827.75 = 12,409,827.75 : x
  2. Step 2: Convert to fraction form
    8,007,822/12,409,827.75 = 12,409,827.75/x
  3. Step 3: Cross multiply
    8,007,822x = 12,409,827.75 × 12,409,827.75
  4. Step 4: Simplify right side
    8,007,822x = 154,003,824,784,670.06
  5. Step 5: Solve for x
    x = 154,003,824,784,670.06/8,007,822
  6. Step 6: Final answer
    x = 19,231,674.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.