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Finding the Third Proportional to 777,197,786 and 1,111,401,370

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Solution

The third proportional to 777,197,786 and 1,111,401,370 is: 1,589,316,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,197,786 : 1,111,401,370 = 1,111,401,370 : x
  2. Step 2: Convert to fraction form
    777,197,786/1,111,401,370 = 1,111,401,370/x
  3. Step 3: Cross multiply
    777,197,786x = 1,111,401,370 × 1,111,401,370
  4. Step 4: Simplify right side
    777,197,786x = 1,235,213,005,237,876,992
  5. Step 5: Solve for x
    x = 1,235,213,005,237,876,992/777,197,786
  6. Step 6: Final answer
    x = 1,589,316,165.70

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.