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Finding the Third Proportional to 609,915 and 948,089

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Solution

The third proportional to 609,915 and 948,089 is: 1,473,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,915 : 948,089 = 948,089 : x
  2. Step 2: Convert to fraction form
    609,915/948,089 = 948,089/x
  3. Step 3: Cross multiply
    609,915x = 948,089 × 948,089
  4. Step 4: Simplify right side
    609,915x = 898,872,751,921
  5. Step 5: Solve for x
    x = 898,872,751,921/609,915
  6. Step 6: Final answer
    x = 1,473,767.25

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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.