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Finding the Third Proportional to 866,913 and 1,881,553

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Solution

The third proportional to 866,913 and 1,881,553 is: 4,083,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,913 : 1,881,553 = 1,881,553 : x
  2. Step 2: Convert to fraction form
    866,913/1,881,553 = 1,881,553/x
  3. Step 3: Cross multiply
    866,913x = 1,881,553 × 1,881,553
  4. Step 4: Simplify right side
    866,913x = 3,540,241,691,809
  5. Step 5: Solve for x
    x = 3,540,241,691,809/866,913
  6. Step 6: Final answer
    x = 4,083,733.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.