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Finding the Third Proportional to 7,113 and 16,603.50

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Solution

The third proportional to 7,113 and 16,603.50 is: 38,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113 : 16,603.50 = 16,603.50 : x
  2. Step 2: Convert to fraction form
    7,113/16,603.50 = 16,603.50/x
  3. Step 3: Cross multiply
    7,113x = 16,603.50 × 16,603.50
  4. Step 4: Simplify right side
    7,113x = 275,676,212.25
  5. Step 5: Solve for x
    x = 275,676,212.25/7,113
  6. Step 6: Final answer
    x = 38,756.67

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.