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Finding the Third Proportional to 1,105,304,642 and 2,382,787,420

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Solution

The third proportional to 1,105,304,642 and 2,382,787,420 is: 5,136,752,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,304,642 : 2,382,787,420 = 2,382,787,420 : x
  2. Step 2: Convert to fraction form
    1,105,304,642/2,382,787,420 = 2,382,787,420/x
  3. Step 3: Cross multiply
    1,105,304,642x = 2,382,787,420 × 2,382,787,420
  4. Step 4: Simplify right side
    1,105,304,642x = 5,677,675,888,910,256,128
  5. Step 5: Solve for x
    x = 5,677,675,888,910,256,128/1,105,304,642
  6. Step 6: Final answer
    x = 5,136,752,052.93

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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.