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Finding the Third Proportional to 809,074,278 and 1,775,630,988

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Solution

The third proportional to 809,074,278 and 1,775,630,988 is: 3,896,880,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,074,278 : 1,775,630,988 = 1,775,630,988 : x
  2. Step 2: Convert to fraction form
    809,074,278/1,775,630,988 = 1,775,630,988/x
  3. Step 3: Cross multiply
    809,074,278x = 1,775,630,988 × 1,775,630,988
  4. Step 4: Simplify right side
    809,074,278x = 3,152,865,405,545,856,000
  5. Step 5: Solve for x
    x = 3,152,865,405,545,856,000/809,074,278
  6. Step 6: Final answer
    x = 3,896,880,040.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.