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Finding the Third Proportional to 4,654 and 9,470

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Solution

The third proportional to 4,654 and 9,470 is: 19,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654 : 9,470 = 9,470 : x
  2. Step 2: Convert to fraction form
    4,654/9,470 = 9,470/x
  3. Step 3: Cross multiply
    4,654x = 9,470 × 9,470
  4. Step 4: Simplify right side
    4,654x = 89,680,900
  5. Step 5: Solve for x
    x = 89,680,900/4,654
  6. Step 6: Final answer
    x = 19,269.64

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.