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Finding the Third Proportional to 426.94 and 957.76

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Solution

The third proportional to 426.94 and 957.76 is: 2,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.94 : 957.76 = 957.76 : x
  2. Step 2: Convert to fraction form
    426.94/957.76 = 957.76/x
  3. Step 3: Cross multiply
    426.94x = 957.76 × 957.76
  4. Step 4: Simplify right side
    426.94x = 917,307.51
  5. Step 5: Solve for x
    x = 917,307.51/426.94
  6. Step 6: Final answer
    x = 2,148.58

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.