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Finding the Third Proportional to 7,495 and 10,999.50

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Solution

The third proportional to 7,495 and 10,999.50 is: 16,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495 : 10,999.50 = 10,999.50 : x
  2. Step 2: Convert to fraction form
    7,495/10,999.50 = 10,999.50/x
  3. Step 3: Cross multiply
    7,495x = 10,999.50 × 10,999.50
  4. Step 4: Simplify right side
    7,495x = 120,989,000.25
  5. Step 5: Solve for x
    x = 120,989,000.25/7,495
  6. Step 6: Final answer
    x = 16,142.63

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.