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Finding the Third Proportional to 20,358,186 and 42,133,549

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Solution

The third proportional to 20,358,186 and 42,133,549 is: 87,200,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,186 : 42,133,549 = 42,133,549 : x
  2. Step 2: Convert to fraction form
    20,358,186/42,133,549 = 42,133,549/x
  3. Step 3: Cross multiply
    20,358,186x = 42,133,549 × 42,133,549
  4. Step 4: Simplify right side
    20,358,186x = 1,775,235,951,335,401
  5. Step 5: Solve for x
    x = 1,775,235,951,335,401/20,358,186
  6. Step 6: Final answer
    x = 87,200,104.73

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.