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Finding the Third Proportional to 28,428 and 44,497.50

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Solution

The third proportional to 28,428 and 44,497.50 is: 69,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,428 : 44,497.50 = 44,497.50 : x
  2. Step 2: Convert to fraction form
    28,428/44,497.50 = 44,497.50/x
  3. Step 3: Cross multiply
    28,428x = 44,497.50 × 44,497.50
  4. Step 4: Simplify right side
    28,428x = 1,980,027,506.25
  5. Step 5: Solve for x
    x = 1,980,027,506.25/28,428
  6. Step 6: Final answer
    x = 69,650.61

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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.