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Finding the Third Proportional to 1,654,011.56 and 3,561,446.81

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Solution

The third proportional to 1,654,011.56 and 3,561,446.81 is: 7,668,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,011.56 : 3,561,446.81 = 3,561,446.81 : x
  2. Step 2: Convert to fraction form
    1,654,011.56/3,561,446.81 = 3,561,446.81/x
  3. Step 3: Cross multiply
    1,654,011.56x = 3,561,446.81 × 3,561,446.81
  4. Step 4: Simplify right side
    1,654,011.56x = 12,683,903,398,266.41
  5. Step 5: Solve for x
    x = 12,683,903,398,266.41/1,654,011.56
  6. Step 6: Final answer
    x = 7,668,569.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.