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Finding the Third Proportional to 5,159,810 and 11,215,156

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Solution

The third proportional to 5,159,810 and 11,215,156 is: 24,376,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,810 : 11,215,156 = 11,215,156 : x
  2. Step 2: Convert to fraction form
    5,159,810/11,215,156 = 11,215,156/x
  3. Step 3: Cross multiply
    5,159,810x = 11,215,156 × 11,215,156
  4. Step 4: Simplify right side
    5,159,810x = 125,779,724,104,336
  5. Step 5: Solve for x
    x = 125,779,724,104,336/5,159,810
  6. Step 6: Final answer
    x = 24,376,813.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.