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Finding the Third Proportional to 11,416,638 and 15,655,290

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Solution

The third proportional to 11,416,638 and 15,655,290 is: 21,467,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416,638 : 15,655,290 = 15,655,290 : x
  2. Step 2: Convert to fraction form
    11,416,638/15,655,290 = 15,655,290/x
  3. Step 3: Cross multiply
    11,416,638x = 15,655,290 × 15,655,290
  4. Step 4: Simplify right side
    11,416,638x = 245,088,104,984,100
  5. Step 5: Solve for x
    x = 245,088,104,984,100/11,416,638
  6. Step 6: Final answer
    x = 21,467,625.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.