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Finding the Third Proportional to 405,737 and 881,458

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Solution

The third proportional to 405,737 and 881,458 is: 1,914,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,737 : 881,458 = 881,458 : x
  2. Step 2: Convert to fraction form
    405,737/881,458 = 881,458/x
  3. Step 3: Cross multiply
    405,737x = 881,458 × 881,458
  4. Step 4: Simplify right side
    405,737x = 776,968,205,764
  5. Step 5: Solve for x
    x = 776,968,205,764/405,737
  6. Step 6: Final answer
    x = 1,914,955.27

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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.