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Finding the Third Proportional to 554.63 and 1,207.88

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Solution

The third proportional to 554.63 and 1,207.88 is: 2,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.63 : 1,207.88 = 1,207.88 : x
  2. Step 2: Convert to fraction form
    554.63/1,207.88 = 1,207.88/x
  3. Step 3: Cross multiply
    554.63x = 1,207.88 × 1,207.88
  4. Step 4: Simplify right side
    554.63x = 1,458,962.02
  5. Step 5: Solve for x
    x = 1,458,962.02/554.63
  6. Step 6: Final answer
    x = 2,630.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.