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Finding the Third Proportional to 12,086,834.63 and 18,742,976.44

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Solution

The third proportional to 12,086,834.63 and 18,742,976.44 is: 29,064,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086,834.63 : 18,742,976.44 = 18,742,976.44 : x
  2. Step 2: Convert to fraction form
    12,086,834.63/18,742,976.44 = 18,742,976.44/x
  3. Step 3: Cross multiply
    12,086,834.63x = 18,742,976.44 × 18,742,976.44
  4. Step 4: Simplify right side
    12,086,834.63x = 351,299,165,736,680.19
  5. Step 5: Solve for x
    x = 351,299,165,736,680.19/12,086,834.63
  6. Step 6: Final answer
    x = 29,064,612.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.