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Finding the Third Proportional to 395,290 and 591,854

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Solution

The third proportional to 395,290 and 591,854 is: 886,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,290 : 591,854 = 591,854 : x
  2. Step 2: Convert to fraction form
    395,290/591,854 = 591,854/x
  3. Step 3: Cross multiply
    395,290x = 591,854 × 591,854
  4. Step 4: Simplify right side
    395,290x = 350,291,157,316
  5. Step 5: Solve for x
    x = 350,291,157,316/395,290
  6. Step 6: Final answer
    x = 886,162.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.