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Finding the Third Proportional to 1,137.80 and 1,460.32

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Solution

The third proportional to 1,137.80 and 1,460.32 is: 1,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.80 : 1,460.32 = 1,460.32 : x
  2. Step 2: Convert to fraction form
    1,137.80/1,460.32 = 1,460.32/x
  3. Step 3: Cross multiply
    1,137.80x = 1,460.32 × 1,460.32
  4. Step 4: Simplify right side
    1,137.80x = 2,132,535.42
  5. Step 5: Solve for x
    x = 2,132,535.42/1,137.80
  6. Step 6: Final answer
    x = 1,874.27

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.