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Finding the Third Proportional to 18,863,931 and 40,417,052

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Solution

The third proportional to 18,863,931 and 40,417,052 is: 86,595,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863,931 : 40,417,052 = 40,417,052 : x
  2. Step 2: Convert to fraction form
    18,863,931/40,417,052 = 40,417,052/x
  3. Step 3: Cross multiply
    18,863,931x = 40,417,052 × 40,417,052
  4. Step 4: Simplify right side
    18,863,931x = 1,633,538,092,370,704
  5. Step 5: Solve for x
    x = 1,633,538,092,370,704/18,863,931
  6. Step 6: Final answer
    x = 86,595,847.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.