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Finding the Third Proportional to 210,571,219.69 and 454,435,930.13

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Solution

The third proportional to 210,571,219.69 and 454,435,930.13 is: 980,722,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,571,219.69 : 454,435,930.13 = 454,435,930.13 : x
  2. Step 2: Convert to fraction form
    210,571,219.69/454,435,930.13 = 454,435,930.13/x
  3. Step 3: Cross multiply
    210,571,219.69x = 454,435,930.13 × 454,435,930.13
  4. Step 4: Simplify right side
    210,571,219.69x = 206,512,014,588,573,888
  5. Step 5: Solve for x
    x = 206,512,014,588,573,888/210,571,219.69
  6. Step 6: Final answer
    x = 980,722,887.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.