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Finding the Third Proportional to 5,638,734 and 9,079,221

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Solution

The third proportional to 5,638,734 and 9,079,221 is: 14,618,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,734 : 9,079,221 = 9,079,221 : x
  2. Step 2: Convert to fraction form
    5,638,734/9,079,221 = 9,079,221/x
  3. Step 3: Cross multiply
    5,638,734x = 9,079,221 × 9,079,221
  4. Step 4: Simplify right side
    5,638,734x = 82,432,253,966,841
  5. Step 5: Solve for x
    x = 82,432,253,966,841/5,638,734
  6. Step 6: Final answer
    x = 14,618,929.35

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.