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Finding the Third Proportional to 28,740 and 63,304

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Solution

The third proportional to 28,740 and 63,304 is: 139,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740 : 63,304 = 63,304 : x
  2. Step 2: Convert to fraction form
    28,740/63,304 = 63,304/x
  3. Step 3: Cross multiply
    28,740x = 63,304 × 63,304
  4. Step 4: Simplify right side
    28,740x = 4,007,396,416
  5. Step 5: Solve for x
    x = 4,007,396,416/28,740
  6. Step 6: Final answer
    x = 139,436.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.