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Finding the Third Proportional to 5,421,928 and 11,293,316

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Solution

The third proportional to 5,421,928 and 11,293,316 is: 23,522,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,928 : 11,293,316 = 11,293,316 : x
  2. Step 2: Convert to fraction form
    5,421,928/11,293,316 = 11,293,316/x
  3. Step 3: Cross multiply
    5,421,928x = 11,293,316 × 11,293,316
  4. Step 4: Simplify right side
    5,421,928x = 127,538,986,275,856
  5. Step 5: Solve for x
    x = 127,538,986,275,856/5,421,928
  6. Step 6: Final answer
    x = 23,522,810.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.