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Finding the Third Proportional to 899.63 and 1,314.94

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Solution

The third proportional to 899.63 and 1,314.94 is: 1,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.63 : 1,314.94 = 1,314.94 : x
  2. Step 2: Convert to fraction form
    899.63/1,314.94 = 1,314.94/x
  3. Step 3: Cross multiply
    899.63x = 1,314.94 × 1,314.94
  4. Step 4: Simplify right side
    899.63x = 1,729,060.63
  5. Step 5: Solve for x
    x = 1,729,060.63/899.63
  6. Step 6: Final answer
    x = 1,921.98

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.