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Finding the Third Proportional to 554,640 and 792,575

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Solution

The third proportional to 554,640 and 792,575 is: 1,132,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,640 : 792,575 = 792,575 : x
  2. Step 2: Convert to fraction form
    554,640/792,575 = 792,575/x
  3. Step 3: Cross multiply
    554,640x = 792,575 × 792,575
  4. Step 4: Simplify right side
    554,640x = 628,175,130,625
  5. Step 5: Solve for x
    x = 628,175,130,625/554,640
  6. Step 6: Final answer
    x = 1,132,581.73

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.