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Finding the Third Proportional to 281,389,111 and 620,025,943

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Solution

The third proportional to 281,389,111 and 620,025,943 is: 1,366,194,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,389,111 : 620,025,943 = 620,025,943 : x
  2. Step 2: Convert to fraction form
    281,389,111/620,025,943 = 620,025,943/x
  3. Step 3: Cross multiply
    281,389,111x = 620,025,943 × 620,025,943
  4. Step 4: Simplify right side
    281,389,111x = 384,432,169,993,039,232
  5. Step 5: Solve for x
    x = 384,432,169,993,039,232/281,389,111
  6. Step 6: Final answer
    x = 1,366,194,195.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.