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Finding the Third Proportional to 1,769,261 and 2,668,553

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Solution

The third proportional to 1,769,261 and 2,668,553 is: 4,024,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,261 : 2,668,553 = 2,668,553 : x
  2. Step 2: Convert to fraction form
    1,769,261/2,668,553 = 2,668,553/x
  3. Step 3: Cross multiply
    1,769,261x = 2,668,553 × 2,668,553
  4. Step 4: Simplify right side
    1,769,261x = 7,121,175,113,809
  5. Step 5: Solve for x
    x = 7,121,175,113,809/1,769,261
  6. Step 6: Final answer
    x = 4,024,943.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.