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Finding the Third Proportional to 1,900,666.27 and 3,936,060.84

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Solution

The third proportional to 1,900,666.27 and 3,936,060.84 is: 8,151,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,666.27 : 3,936,060.84 = 3,936,060.84 : x
  2. Step 2: Convert to fraction form
    1,900,666.27/3,936,060.84 = 3,936,060.84/x
  3. Step 3: Cross multiply
    1,900,666.27x = 3,936,060.84 × 3,936,060.84
  4. Step 4: Simplify right side
    1,900,666.27x = 15,492,574,965,701.96
  5. Step 5: Solve for x
    x = 15,492,574,965,701.96/1,900,666.27
  6. Step 6: Final answer
    x = 8,151,128.50

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.