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Finding the Third Proportional to 12,113,936 and 18,619,842

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Solution

The third proportional to 12,113,936 and 18,619,842 is: 28,619,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,936 : 18,619,842 = 18,619,842 : x
  2. Step 2: Convert to fraction form
    12,113,936/18,619,842 = 18,619,842/x
  3. Step 3: Cross multiply
    12,113,936x = 18,619,842 × 18,619,842
  4. Step 4: Simplify right side
    12,113,936x = 346,698,516,104,964
  5. Step 5: Solve for x
    x = 346,698,516,104,964/12,113,936
  6. Step 6: Final answer
    x = 28,619,807.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.