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Finding the Third Proportional to 20,533,214 and 28,708,401

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Solution

The third proportional to 20,533,214 and 28,708,401 is: 40,138,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,214 : 28,708,401 = 28,708,401 : x
  2. Step 2: Convert to fraction form
    20,533,214/28,708,401 = 28,708,401/x
  3. Step 3: Cross multiply
    20,533,214x = 28,708,401 × 28,708,401
  4. Step 4: Simplify right side
    20,533,214x = 824,172,287,976,801
  5. Step 5: Solve for x
    x = 824,172,287,976,801/20,533,214
  6. Step 6: Final answer
    x = 40,138,494.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.