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Finding the Third Proportional to 15,445,822.50 and 20,977,353

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Solution

The third proportional to 15,445,822.50 and 20,977,353 is: 28,489,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445,822.50 : 20,977,353 = 20,977,353 : x
  2. Step 2: Convert to fraction form
    15,445,822.50/20,977,353 = 20,977,353/x
  3. Step 3: Cross multiply
    15,445,822.50x = 20,977,353 × 20,977,353
  4. Step 4: Simplify right side
    15,445,822.50x = 440,049,338,886,609
  5. Step 5: Solve for x
    x = 440,049,338,886,609/15,445,822.50
  6. Step 6: Final answer
    x = 28,489,861.18

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.