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Finding the Third Proportional to 1,268,352,698.50 and 2,786,128,373

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Solution

The third proportional to 1,268,352,698.50 and 2,786,128,373 is: 6,120,152,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,352,698.50 : 2,786,128,373 = 2,786,128,373 : x
  2. Step 2: Convert to fraction form
    1,268,352,698.50/2,786,128,373 = 2,786,128,373/x
  3. Step 3: Cross multiply
    1,268,352,698.50x = 2,786,128,373 × 2,786,128,373
  4. Step 4: Simplify right side
    1,268,352,698.50x = 7,762,511,310,835,627,008
  5. Step 5: Solve for x
    x = 7,762,511,310,835,627,008/1,268,352,698.50
  6. Step 6: Final answer
    x = 6,120,152,005.05

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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.