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Finding the Third Proportional to 4,848 and 7,312.50

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Solution

The third proportional to 4,848 and 7,312.50 is: 11,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848 : 7,312.50 = 7,312.50 : x
  2. Step 2: Convert to fraction form
    4,848/7,312.50 = 7,312.50/x
  3. Step 3: Cross multiply
    4,848x = 7,312.50 × 7,312.50
  4. Step 4: Simplify right side
    4,848x = 53,472,656.25
  5. Step 5: Solve for x
    x = 53,472,656.25/4,848
  6. Step 6: Final answer
    x = 11,029.84

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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.