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Finding the Third Proportional to 8,686,586.81 and 18,885,848.63

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Solution

The third proportional to 8,686,586.81 and 18,885,848.63 is: 41,060,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,586.81 : 18,885,848.63 = 18,885,848.63 : x
  2. Step 2: Convert to fraction form
    8,686,586.81/18,885,848.63 = 18,885,848.63/x
  3. Step 3: Cross multiply
    8,686,586.81x = 18,885,848.63 × 18,885,848.63
  4. Step 4: Simplify right side
    8,686,586.81x = 356,675,278,286,414.38
  5. Step 5: Solve for x
    x = 356,675,278,286,414.38/8,686,586.81
  6. Step 6: Final answer
    x = 41,060,463.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.