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Finding the Third Proportional to 2,970 and 6,925.50

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Solution

The third proportional to 2,970 and 6,925.50 is: 16,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970 : 6,925.50 = 6,925.50 : x
  2. Step 2: Convert to fraction form
    2,970/6,925.50 = 6,925.50/x
  3. Step 3: Cross multiply
    2,970x = 6,925.50 × 6,925.50
  4. Step 4: Simplify right side
    2,970x = 47,962,550.25
  5. Step 5: Solve for x
    x = 47,962,550.25/2,970
  6. Step 6: Final answer
    x = 16,149.01

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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.