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Finding the Third Proportional to 897.40 and 1,314.84

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Solution

The third proportional to 897.40 and 1,314.84 is: 1,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.40 : 1,314.84 = 1,314.84 : x
  2. Step 2: Convert to fraction form
    897.40/1,314.84 = 1,314.84/x
  3. Step 3: Cross multiply
    897.40x = 1,314.84 × 1,314.84
  4. Step 4: Simplify right side
    897.40x = 1,728,814.09
  5. Step 5: Solve for x
    x = 1,728,814.09/897.40
  6. Step 6: Final answer
    x = 1,926.47

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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.