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Finding the Third Proportional to 8,364,145 and 12,786,620

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Solution

The third proportional to 8,364,145 and 12,786,620 is: 19,547,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364,145 : 12,786,620 = 12,786,620 : x
  2. Step 2: Convert to fraction form
    8,364,145/12,786,620 = 12,786,620/x
  3. Step 3: Cross multiply
    8,364,145x = 12,786,620 × 12,786,620
  4. Step 4: Simplify right side
    8,364,145x = 163,497,651,024,400
  5. Step 5: Solve for x
    x = 163,497,651,024,400/8,364,145
  6. Step 6: Final answer
    x = 19,547,443.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.