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Finding the Third Proportional to 628,892,388 and 1,362,594,075.75

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Solution

The third proportional to 628,892,388 and 1,362,594,075.75 is: 2,952,273,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,892,388 : 1,362,594,075.75 = 1,362,594,075.75 : x
  2. Step 2: Convert to fraction form
    628,892,388/1,362,594,075.75 = 1,362,594,075.75/x
  3. Step 3: Cross multiply
    628,892,388x = 1,362,594,075.75 × 1,362,594,075.75
  4. Step 4: Simplify right side
    628,892,388x = 1,856,662,615,268,996,864
  5. Step 5: Solve for x
    x = 1,856,662,615,268,996,864/628,892,388
  6. Step 6: Final answer
    x = 2,952,273,951.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.