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Finding the Third Proportional to 1,971 and 3,065.63

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Solution

The third proportional to 1,971 and 3,065.63 is: 4,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971 : 3,065.63 = 3,065.63 : x
  2. Step 2: Convert to fraction form
    1,971/3,065.63 = 3,065.63/x
  3. Step 3: Cross multiply
    1,971x = 3,065.63 × 3,065.63
  4. Step 4: Simplify right side
    1,971x = 9,398,056.64
  5. Step 5: Solve for x
    x = 9,398,056.64/1,971
  6. Step 6: Final answer
    x = 4,768.17

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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.