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Finding the Third Proportional to 28,478.81 and 44,210.81

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Solution

The third proportional to 28,478.81 and 44,210.81 is: 68,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,478.81 : 44,210.81 = 44,210.81 : x
  2. Step 2: Convert to fraction form
    28,478.81/44,210.81 = 44,210.81/x
  3. Step 3: Cross multiply
    28,478.81x = 44,210.81 × 44,210.81
  4. Step 4: Simplify right side
    28,478.81x = 1,954,595,941.91
  5. Step 5: Solve for x
    x = 1,954,595,941.91/28,478.81
  6. Step 6: Final answer
    x = 68,633.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.