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Finding the Third Proportional to 18,742,626.75 and 28,313,658.75

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Solution

The third proportional to 18,742,626.75 and 28,313,658.75 is: 42,772,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742,626.75 : 28,313,658.75 = 28,313,658.75 : x
  2. Step 2: Convert to fraction form
    18,742,626.75/28,313,658.75 = 28,313,658.75/x
  3. Step 3: Cross multiply
    18,742,626.75x = 28,313,658.75 × 28,313,658.75
  4. Step 4: Simplify right side
    18,742,626.75x = 801,663,271,811,451.50
  5. Step 5: Solve for x
    x = 801,663,271,811,451.50/18,742,626.75
  6. Step 6: Final answer
    x = 42,772,194.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.