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Finding the Third Proportional to 4,851 and 7,417.50

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Solution

The third proportional to 4,851 and 7,417.50 is: 11,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851 : 7,417.50 = 7,417.50 : x
  2. Step 2: Convert to fraction form
    4,851/7,417.50 = 7,417.50/x
  3. Step 3: Cross multiply
    4,851x = 7,417.50 × 7,417.50
  4. Step 4: Simplify right side
    4,851x = 55,019,306.25
  5. Step 5: Solve for x
    x = 55,019,306.25/4,851
  6. Step 6: Final answer
    x = 11,341.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.