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Finding the Third Proportional to 5,359,578 and 11,681,220

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Solution

The third proportional to 5,359,578 and 11,681,220 is: 25,459,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359,578 : 11,681,220 = 11,681,220 : x
  2. Step 2: Convert to fraction form
    5,359,578/11,681,220 = 11,681,220/x
  3. Step 3: Cross multiply
    5,359,578x = 11,681,220 × 11,681,220
  4. Step 4: Simplify right side
    5,359,578x = 136,450,900,688,400
  5. Step 5: Solve for x
    x = 136,450,900,688,400/5,359,578
  6. Step 6: Final answer
    x = 25,459,262.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.