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Finding the Third Proportional to 15,446,203.50 and 20,977,951.50

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Solution

The third proportional to 15,446,203.50 and 20,977,951.50 is: 28,490,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446,203.50 : 20,977,951.50 = 20,977,951.50 : x
  2. Step 2: Convert to fraction form
    15,446,203.50/20,977,951.50 = 20,977,951.50/x
  3. Step 3: Cross multiply
    15,446,203.50x = 20,977,951.50 × 20,977,951.50
  4. Step 4: Simplify right side
    15,446,203.50x = 440,074,449,136,352.25
  5. Step 5: Solve for x
    x = 440,074,449,136,352.25/15,446,203.50
  6. Step 6: Final answer
    x = 28,490,784.10

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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.