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Finding the Third Proportional to 21,042,200 and 45,980,176

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Solution

The third proportional to 21,042,200 and 45,980,176 is: 100,473,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042,200 : 45,980,176 = 45,980,176 : x
  2. Step 2: Convert to fraction form
    21,042,200/45,980,176 = 45,980,176/x
  3. Step 3: Cross multiply
    21,042,200x = 45,980,176 × 45,980,176
  4. Step 4: Simplify right side
    21,042,200x = 2,114,176,584,990,976
  5. Step 5: Solve for x
    x = 2,114,176,584,990,976/21,042,200
  6. Step 6: Final answer
    x = 100,473,172.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.