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Finding the Third Proportional to 13,810,416 and 20,907,560

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Solution

The third proportional to 13,810,416 and 20,907,560 is: 31,651,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810,416 : 20,907,560 = 20,907,560 : x
  2. Step 2: Convert to fraction form
    13,810,416/20,907,560 = 20,907,560/x
  3. Step 3: Cross multiply
    13,810,416x = 20,907,560 × 20,907,560
  4. Step 4: Simplify right side
    13,810,416x = 437,126,065,153,600
  5. Step 5: Solve for x
    x = 437,126,065,153,600/13,810,416
  6. Step 6: Final answer
    x = 31,651,911.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.