Home / 13,212,446.63-20,213,560.13

Finding the Third Proportional to 13,212,446.63 and 20,213,560.13

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Solution

The third proportional to 13,212,446.63 and 20,213,560.13 is: 30,924,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212,446.63 : 20,213,560.13 = 20,213,560.13 : x
  2. Step 2: Convert to fraction form
    13,212,446.63/20,213,560.13 = 20,213,560.13/x
  3. Step 3: Cross multiply
    13,212,446.63x = 20,213,560.13 × 20,213,560.13
  4. Step 4: Simplify right side
    13,212,446.63x = 408,588,012,926,990
  5. Step 5: Solve for x
    x = 408,588,012,926,990/13,212,446.63
  6. Step 6: Final answer
    x = 30,924,477.84

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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.