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Finding the Third Proportional to 18,953,416 and 27,719,295

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Solution

The third proportional to 18,953,416 and 27,719,295 is: 40,539,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,416 : 27,719,295 = 27,719,295 : x
  2. Step 2: Convert to fraction form
    18,953,416/27,719,295 = 27,719,295/x
  3. Step 3: Cross multiply
    18,953,416x = 27,719,295 × 27,719,295
  4. Step 4: Simplify right side
    18,953,416x = 768,359,315,297,025
  5. Step 5: Solve for x
    x = 768,359,315,297,025/18,953,416
  6. Step 6: Final answer
    x = 40,539,357.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.