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Finding the Third Proportional to 1,969,979 and 4,313,623

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Solution

The third proportional to 1,969,979 and 4,313,623 is: 9,445,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,979 : 4,313,623 = 4,313,623 : x
  2. Step 2: Convert to fraction form
    1,969,979/4,313,623 = 4,313,623/x
  3. Step 3: Cross multiply
    1,969,979x = 4,313,623 × 4,313,623
  4. Step 4: Simplify right side
    1,969,979x = 18,607,343,386,129
  5. Step 5: Solve for x
    x = 18,607,343,386,129/1,969,979
  6. Step 6: Final answer
    x = 9,445,452.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.