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Finding the Third Proportional to 20,343,881 and 30,515,862

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Solution

The third proportional to 20,343,881 and 30,515,862 is: 45,773,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,881 : 30,515,862 = 30,515,862 : x
  2. Step 2: Convert to fraction form
    20,343,881/30,515,862 = 30,515,862/x
  3. Step 3: Cross multiply
    20,343,881x = 30,515,862 × 30,515,862
  4. Step 4: Simplify right side
    20,343,881x = 931,217,833,603,044
  5. Step 5: Solve for x
    x = 931,217,833,603,044/20,343,881
  6. Step 6: Final answer
    x = 45,773,853.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.