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Finding the Third Proportional to 57,762,330 and 126,860,412

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Solution

The third proportional to 57,762,330 and 126,860,412 is: 278,616,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762,330 : 126,860,412 = 126,860,412 : x
  2. Step 2: Convert to fraction form
    57,762,330/126,860,412 = 126,860,412/x
  3. Step 3: Cross multiply
    57,762,330x = 126,860,412 × 126,860,412
  4. Step 4: Simplify right side
    57,762,330x = 16,093,564,132,809,744
  5. Step 5: Solve for x
    x = 16,093,564,132,809,744/57,762,330
  6. Step 6: Final answer
    x = 278,616,948.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.