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Finding the Third Proportional to 1,070.30 and 2,310.19

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Solution

The third proportional to 1,070.30 and 2,310.19 is: 4,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.30 : 2,310.19 = 2,310.19 : x
  2. Step 2: Convert to fraction form
    1,070.30/2,310.19 = 2,310.19/x
  3. Step 3: Cross multiply
    1,070.30x = 2,310.19 × 2,310.19
  4. Step 4: Simplify right side
    1,070.30x = 5,336,966.29
  5. Step 5: Solve for x
    x = 5,336,966.29/1,070.30
  6. Step 6: Final answer
    x = 4,986.44

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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.