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Finding the Third Proportional to 3,130,220 and 4,192,806

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Solution

The third proportional to 3,130,220 and 4,192,806 is: 5,616,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,220 : 4,192,806 = 4,192,806 : x
  2. Step 2: Convert to fraction form
    3,130,220/4,192,806 = 4,192,806/x
  3. Step 3: Cross multiply
    3,130,220x = 4,192,806 × 4,192,806
  4. Step 4: Simplify right side
    3,130,220x = 17,579,622,153,636
  5. Step 5: Solve for x
    x = 17,579,622,153,636/3,130,220
  6. Step 6: Final answer
    x = 5,616,097.96

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.