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Finding the Third Proportional to 1,670.44 and 2,602.31

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Solution

The third proportional to 1,670.44 and 2,602.31 is: 4,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.44 : 2,602.31 = 2,602.31 : x
  2. Step 2: Convert to fraction form
    1,670.44/2,602.31 = 2,602.31/x
  3. Step 3: Cross multiply
    1,670.44x = 2,602.31 × 2,602.31
  4. Step 4: Simplify right side
    1,670.44x = 6,772,030.35
  5. Step 5: Solve for x
    x = 6,772,030.35/1,670.44
  6. Step 6: Final answer
    x = 4,054.05

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.