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Finding the Third Proportional to 28,444 and 39,210

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Solution

The third proportional to 28,444 and 39,210 is: 54,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444 : 39,210 = 39,210 : x
  2. Step 2: Convert to fraction form
    28,444/39,210 = 39,210/x
  3. Step 3: Cross multiply
    28,444x = 39,210 × 39,210
  4. Step 4: Simplify right side
    28,444x = 1,537,424,100
  5. Step 5: Solve for x
    x = 1,537,424,100/28,444
  6. Step 6: Final answer
    x = 54,050.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.