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Finding the Third Proportional to 889,854 and 1,905,813

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Solution

The third proportional to 889,854 and 1,905,813 is: 4,081,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,854 : 1,905,813 = 1,905,813 : x
  2. Step 2: Convert to fraction form
    889,854/1,905,813 = 1,905,813/x
  3. Step 3: Cross multiply
    889,854x = 1,905,813 × 1,905,813
  4. Step 4: Simplify right side
    889,854x = 3,632,123,190,969
  5. Step 5: Solve for x
    x = 3,632,123,190,969/889,854
  6. Step 6: Final answer
    x = 4,081,706.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.