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Finding the Third Proportional to 5,907.50 and 9,140

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Solution

The third proportional to 5,907.50 and 9,140 is: 14,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.50 : 9,140 = 9,140 : x
  2. Step 2: Convert to fraction form
    5,907.50/9,140 = 9,140/x
  3. Step 3: Cross multiply
    5,907.50x = 9,140 × 9,140
  4. Step 4: Simplify right side
    5,907.50x = 83,539,600
  5. Step 5: Solve for x
    x = 83,539,600/5,907.50
  6. Step 6: Final answer
    x = 14,141.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.