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Finding the Third Proportional to 28,428 and 44,508

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Solution

The third proportional to 28,428 and 44,508 is: 69,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,428 : 44,508 = 44,508 : x
  2. Step 2: Convert to fraction form
    28,428/44,508 = 44,508/x
  3. Step 3: Cross multiply
    28,428x = 44,508 × 44,508
  4. Step 4: Simplify right side
    28,428x = 1,980,962,064
  5. Step 5: Solve for x
    x = 1,980,962,064/28,428
  6. Step 6: Final answer
    x = 69,683.48

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.