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Finding the Third Proportional to 607,556 and 906,406

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Solution

The third proportional to 607,556 and 906,406 is: 1,352,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,556 : 906,406 = 906,406 : x
  2. Step 2: Convert to fraction form
    607,556/906,406 = 906,406/x
  3. Step 3: Cross multiply
    607,556x = 906,406 × 906,406
  4. Step 4: Simplify right side
    607,556x = 821,571,836,836
  5. Step 5: Solve for x
    x = 821,571,836,836/607,556
  6. Step 6: Final answer
    x = 1,352,256.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.