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Finding the Third Proportional to 13,409,779.50 and 20,114,679.38

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Solution

The third proportional to 13,409,779.50 and 20,114,679.38 is: 30,172,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,779.50 : 20,114,679.38 = 20,114,679.38 : x
  2. Step 2: Convert to fraction form
    13,409,779.50/20,114,679.38 = 20,114,679.38/x
  3. Step 3: Cross multiply
    13,409,779.50x = 20,114,679.38 × 20,114,679.38
  4. Step 4: Simplify right side
    13,409,779.50x = 404,600,326,359,050.38
  5. Step 5: Solve for x
    x = 404,600,326,359,050.38/13,409,779.50
  6. Step 6: Final answer
    x = 30,172,034.25

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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.