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Finding the Third Proportional to 12,030,741,778 and 18,391,903,619

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Solution

The third proportional to 12,030,741,778 and 18,391,903,619 is: 28,116,480,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,741,778 : 18,391,903,619 = 18,391,903,619 : x
  2. Step 2: Convert to fraction form
    12,030,741,778/18,391,903,619 = 18,391,903,619/x
  3. Step 3: Cross multiply
    12,030,741,778x = 18,391,903,619 × 18,391,903,619
  4. Step 4: Simplify right side
    12,030,741,778x = 338,262,118,730,585,276,416
  5. Step 5: Solve for x
    x = 338,262,118,730,585,276,416/12,030,741,778
  6. Step 6: Final answer
    x = 28,116,480,676.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.