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Finding the Third Proportional to 10,439,478 and 15,971,229

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Solution

The third proportional to 10,439,478 and 15,971,229 is: 24,434,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439,478 : 15,971,229 = 15,971,229 : x
  2. Step 2: Convert to fraction form
    10,439,478/15,971,229 = 15,971,229/x
  3. Step 3: Cross multiply
    10,439,478x = 15,971,229 × 15,971,229
  4. Step 4: Simplify right side
    10,439,478x = 255,080,155,770,441
  5. Step 5: Solve for x
    x = 255,080,155,770,441/10,439,478
  6. Step 6: Final answer
    x = 24,434,186.82

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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.