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Finding the Third Proportional to 20,070,169 and 31,899,686

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Solution

The third proportional to 20,070,169 and 31,899,686 is: 50,701,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,169 : 31,899,686 = 31,899,686 : x
  2. Step 2: Convert to fraction form
    20,070,169/31,899,686 = 31,899,686/x
  3. Step 3: Cross multiply
    20,070,169x = 31,899,686 × 31,899,686
  4. Step 4: Simplify right side
    20,070,169x = 1,017,589,966,898,596
  5. Step 5: Solve for x
    x = 1,017,589,966,898,596/20,070,169
  6. Step 6: Final answer
    x = 50,701,614.27

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.