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Finding the Third Proportional to 18,134,964 and 38,316,828

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Solution

The third proportional to 18,134,964 and 38,316,828 is: 80,958,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,964 : 38,316,828 = 38,316,828 : x
  2. Step 2: Convert to fraction form
    18,134,964/38,316,828 = 38,316,828/x
  3. Step 3: Cross multiply
    18,134,964x = 38,316,828 × 38,316,828
  4. Step 4: Simplify right side
    18,134,964x = 1,468,179,307,981,584
  5. Step 5: Solve for x
    x = 1,468,179,307,981,584/18,134,964
  6. Step 6: Final answer
    x = 80,958,490.35

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.