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Finding the Third Proportional to 64,048.50 and 102,318.50

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Solution

The third proportional to 64,048.50 and 102,318.50 is: 163,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,048.50 : 102,318.50 = 102,318.50 : x
  2. Step 2: Convert to fraction form
    64,048.50/102,318.50 = 102,318.50/x
  3. Step 3: Cross multiply
    64,048.50x = 102,318.50 × 102,318.50
  4. Step 4: Simplify right side
    64,048.50x = 10,469,075,442.25
  5. Step 5: Solve for x
    x = 10,469,075,442.25/64,048.50
  6. Step 6: Final answer
    x = 163,455.44

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.