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Finding the Third Proportional to 977.63 and 2,035.88

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Solution

The third proportional to 977.63 and 2,035.88 is: 4,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.63 : 2,035.88 = 2,035.88 : x
  2. Step 2: Convert to fraction form
    977.63/2,035.88 = 2,035.88/x
  3. Step 3: Cross multiply
    977.63x = 2,035.88 × 2,035.88
  4. Step 4: Simplify right side
    977.63x = 4,144,787.02
  5. Step 5: Solve for x
    x = 4,144,787.02/977.63
  6. Step 6: Final answer
    x = 4,239.65

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.