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Finding the Third Proportional to 28,798.50 and 45,079

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Solution

The third proportional to 28,798.50 and 45,079 is: 70,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.50 : 45,079 = 45,079 : x
  2. Step 2: Convert to fraction form
    28,798.50/45,079 = 45,079/x
  3. Step 3: Cross multiply
    28,798.50x = 45,079 × 45,079
  4. Step 4: Simplify right side
    28,798.50x = 2,032,116,241
  5. Step 5: Solve for x
    x = 2,032,116,241/28,798.50
  6. Step 6: Final answer
    x = 70,563.27

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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.