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Finding the Third Proportional to 387,860 and 600,222

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Solution

The third proportional to 387,860 and 600,222 is: 928,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,860 : 600,222 = 600,222 : x
  2. Step 2: Convert to fraction form
    387,860/600,222 = 600,222/x
  3. Step 3: Cross multiply
    387,860x = 600,222 × 600,222
  4. Step 4: Simplify right side
    387,860x = 360,266,449,284
  5. Step 5: Solve for x
    x = 360,266,449,284/387,860
  6. Step 6: Final answer
    x = 928,856.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.