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Finding the Third Proportional to 10,990,668 and 16,812,348

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Solution

The third proportional to 10,990,668 and 16,812,348 is: 25,717,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,668 : 16,812,348 = 16,812,348 : x
  2. Step 2: Convert to fraction form
    10,990,668/16,812,348 = 16,812,348/x
  3. Step 3: Cross multiply
    10,990,668x = 16,812,348 × 16,812,348
  4. Step 4: Simplify right side
    10,990,668x = 282,655,045,273,104
  5. Step 5: Solve for x
    x = 282,655,045,273,104/10,990,668
  6. Step 6: Final answer
    x = 25,717,731.19

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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.