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Finding the Third Proportional to 305,955 and 662,748

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Solution

The third proportional to 305,955 and 662,748 is: 1,435,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,955 : 662,748 = 662,748 : x
  2. Step 2: Convert to fraction form
    305,955/662,748 = 662,748/x
  3. Step 3: Cross multiply
    305,955x = 662,748 × 662,748
  4. Step 4: Simplify right side
    305,955x = 439,234,911,504
  5. Step 5: Solve for x
    x = 439,234,911,504/305,955
  6. Step 6: Final answer
    x = 1,435,619.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.