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Finding the Third Proportional to 2,909,210 and 6,119,902

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Solution

The third proportional to 2,909,210 and 6,119,902 is: 12,874,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,210 : 6,119,902 = 6,119,902 : x
  2. Step 2: Convert to fraction form
    2,909,210/6,119,902 = 6,119,902/x
  3. Step 3: Cross multiply
    2,909,210x = 6,119,902 × 6,119,902
  4. Step 4: Simplify right side
    2,909,210x = 37,453,200,489,604
  5. Step 5: Solve for x
    x = 37,453,200,489,604/2,909,210
  6. Step 6: Final answer
    x = 12,874,010.64

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.