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Finding the Third Proportional to 10,990,675 and 16,812,359

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Solution

The third proportional to 10,990,675 and 16,812,359 is: 25,717,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,675 : 16,812,359 = 16,812,359 : x
  2. Step 2: Convert to fraction form
    10,990,675/16,812,359 = 16,812,359/x
  3. Step 3: Cross multiply
    10,990,675x = 16,812,359 × 16,812,359
  4. Step 4: Simplify right side
    10,990,675x = 282,655,415,144,881
  5. Step 5: Solve for x
    x = 282,655,415,144,881/10,990,675
  6. Step 6: Final answer
    x = 25,717,748.47

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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.