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Finding the Third Proportional to 365,486 and 583,220

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Solution

The third proportional to 365,486 and 583,220 is: 930,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,486 : 583,220 = 583,220 : x
  2. Step 2: Convert to fraction form
    365,486/583,220 = 583,220/x
  3. Step 3: Cross multiply
    365,486x = 583,220 × 583,220
  4. Step 4: Simplify right side
    365,486x = 340,145,568,400
  5. Step 5: Solve for x
    x = 340,145,568,400/365,486
  6. Step 6: Final answer
    x = 930,666.48

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.