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Finding the Third Proportional to 412,186,409 and 888,941,066

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Solution

The third proportional to 412,186,409 and 888,941,066 is: 1,917,133,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,409 : 888,941,066 = 888,941,066 : x
  2. Step 2: Convert to fraction form
    412,186,409/888,941,066 = 888,941,066/x
  3. Step 3: Cross multiply
    412,186,409x = 888,941,066 × 888,941,066
  4. Step 4: Simplify right side
    412,186,409x = 790,216,218,821,216,384
  5. Step 5: Solve for x
    x = 790,216,218,821,216,384/412,186,409
  6. Step 6: Final answer
    x = 1,917,133,126.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.