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Finding the Third Proportional to 28,368 and 44,920

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Solution

The third proportional to 28,368 and 44,920 is: 71,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368 : 44,920 = 44,920 : x
  2. Step 2: Convert to fraction form
    28,368/44,920 = 44,920/x
  3. Step 3: Cross multiply
    28,368x = 44,920 × 44,920
  4. Step 4: Simplify right side
    28,368x = 2,017,806,400
  5. Step 5: Solve for x
    x = 2,017,806,400/28,368
  6. Step 6: Final answer
    x = 71,129.67

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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.