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Finding the Third Proportional to 630.94 and 1,360.88

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Solution

The third proportional to 630.94 and 1,360.88 is: 2,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.94 : 1,360.88 = 1,360.88 : x
  2. Step 2: Convert to fraction form
    630.94/1,360.88 = 1,360.88/x
  3. Step 3: Cross multiply
    630.94x = 1,360.88 × 1,360.88
  4. Step 4: Simplify right side
    630.94x = 1,851,980.77
  5. Step 5: Solve for x
    x = 1,851,980.77/630.94
  6. Step 6: Final answer
    x = 2,935.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.