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Finding the Third Proportional to 638,726 and 1,001,973

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Solution

The third proportional to 638,726 and 1,001,973 is: 1,571,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,726 : 1,001,973 = 1,001,973 : x
  2. Step 2: Convert to fraction form
    638,726/1,001,973 = 1,001,973/x
  3. Step 3: Cross multiply
    638,726x = 1,001,973 × 1,001,973
  4. Step 4: Simplify right side
    638,726x = 1,003,949,892,729
  5. Step 5: Solve for x
    x = 1,003,949,892,729/638,726
  6. Step 6: Final answer
    x = 1,571,800.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.