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Finding the Third Proportional to 606,672 and 918,360

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Solution

The third proportional to 606,672 and 918,360 is: 1,390,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,672 : 918,360 = 918,360 : x
  2. Step 2: Convert to fraction form
    606,672/918,360 = 918,360/x
  3. Step 3: Cross multiply
    606,672x = 918,360 × 918,360
  4. Step 4: Simplify right side
    606,672x = 843,385,089,600
  5. Step 5: Solve for x
    x = 843,385,089,600/606,672
  6. Step 6: Final answer
    x = 1,390,182.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.