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Finding the Third Proportional to 4,778,382,986.50 and 6,643,959,593

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Solution

The third proportional to 4,778,382,986.50 and 6,643,959,593 is: 9,237,894,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,382,986.50 : 6,643,959,593 = 6,643,959,593 : x
  2. Step 2: Convert to fraction form
    4,778,382,986.50/6,643,959,593 = 6,643,959,593/x
  3. Step 3: Cross multiply
    4,778,382,986.50x = 6,643,959,593 × 6,643,959,593
  4. Step 4: Simplify right side
    4,778,382,986.50x = 44,142,199,073,416,724,480
  5. Step 5: Solve for x
    x = 44,142,199,073,416,724,480/4,778,382,986.50
  6. Step 6: Final answer
    x = 9,237,894,743.50

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.