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Finding the Third Proportional to 305,280 and 466,992

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Solution

The third proportional to 305,280 and 466,992 is: 714,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,280 : 466,992 = 466,992 : x
  2. Step 2: Convert to fraction form
    305,280/466,992 = 466,992/x
  3. Step 3: Cross multiply
    305,280x = 466,992 × 466,992
  4. Step 4: Simplify right side
    305,280x = 218,081,528,064
  5. Step 5: Solve for x
    x = 218,081,528,064/305,280
  6. Step 6: Final answer
    x = 714,365.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.