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Finding the Third Proportional to 20,284,668 and 45,104,688

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Solution

The third proportional to 20,284,668 and 45,104,688 is: 100,294,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,668 : 45,104,688 = 45,104,688 : x
  2. Step 2: Convert to fraction form
    20,284,668/45,104,688 = 45,104,688/x
  3. Step 3: Cross multiply
    20,284,668x = 45,104,688 × 45,104,688
  4. Step 4: Simplify right side
    20,284,668x = 2,034,432,879,577,344
  5. Step 5: Solve for x
    x = 2,034,432,879,577,344/20,284,668
  6. Step 6: Final answer
    x = 100,294,117.68

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.