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Finding the Third Proportional to 3,495 and 4,740.50

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Solution

The third proportional to 3,495 and 4,740.50 is: 6,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495 : 4,740.50 = 4,740.50 : x
  2. Step 2: Convert to fraction form
    3,495/4,740.50 = 4,740.50/x
  3. Step 3: Cross multiply
    3,495x = 4,740.50 × 4,740.50
  4. Step 4: Simplify right side
    3,495x = 22,472,340.25
  5. Step 5: Solve for x
    x = 22,472,340.25/3,495
  6. Step 6: Final answer
    x = 6,429.85

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.