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Finding the Third Proportional to 5,615,900 and 8,626,638

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Solution

The third proportional to 5,615,900 and 8,626,638 is: 13,251,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,900 : 8,626,638 = 8,626,638 : x
  2. Step 2: Convert to fraction form
    5,615,900/8,626,638 = 8,626,638/x
  3. Step 3: Cross multiply
    5,615,900x = 8,626,638 × 8,626,638
  4. Step 4: Simplify right side
    5,615,900x = 74,418,883,183,044
  5. Step 5: Solve for x
    x = 74,418,883,183,044/5,615,900
  6. Step 6: Final answer
    x = 13,251,461.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.