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Finding the Third Proportional to 18,442,364 and 39,723,042

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Solution

The third proportional to 18,442,364 and 39,723,042 is: 85,559,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,364 : 39,723,042 = 39,723,042 : x
  2. Step 2: Convert to fraction form
    18,442,364/39,723,042 = 39,723,042/x
  3. Step 3: Cross multiply
    18,442,364x = 39,723,042 × 39,723,042
  4. Step 4: Simplify right side
    18,442,364x = 1,577,920,065,733,764
  5. Step 5: Solve for x
    x = 1,577,920,065,733,764/18,442,364
  6. Step 6: Final answer
    x = 85,559,533.79

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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.