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Finding the Third Proportional to 565,628 and 791,200

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Solution

The third proportional to 565,628 and 791,200 is: 1,106,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,628 : 791,200 = 791,200 : x
  2. Step 2: Convert to fraction form
    565,628/791,200 = 791,200/x
  3. Step 3: Cross multiply
    565,628x = 791,200 × 791,200
  4. Step 4: Simplify right side
    565,628x = 625,997,440,000
  5. Step 5: Solve for x
    x = 625,997,440,000/565,628
  6. Step 6: Final answer
    x = 1,106,729.94

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.