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Finding the Third Proportional to 20,216,772 and 28,910,184

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Solution

The third proportional to 20,216,772 and 28,910,184 is: 41,341,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,772 : 28,910,184 = 28,910,184 : x
  2. Step 2: Convert to fraction form
    20,216,772/28,910,184 = 28,910,184/x
  3. Step 3: Cross multiply
    20,216,772x = 28,910,184 × 28,910,184
  4. Step 4: Simplify right side
    20,216,772x = 835,798,738,913,856
  5. Step 5: Solve for x
    x = 835,798,738,913,856/20,216,772
  6. Step 6: Final answer
    x = 41,341,849.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.