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Finding the Third Proportional to 18,672 and 29,580

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Solution

The third proportional to 18,672 and 29,580 is: 46,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672 : 29,580 = 29,580 : x
  2. Step 2: Convert to fraction form
    18,672/29,580 = 29,580/x
  3. Step 3: Cross multiply
    18,672x = 29,580 × 29,580
  4. Step 4: Simplify right side
    18,672x = 874,976,400
  5. Step 5: Solve for x
    x = 874,976,400/18,672
  6. Step 6: Final answer
    x = 46,860.35

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.