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Finding the Third Proportional to 1,849,780,979 and 4,316,304,779

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Solution

The third proportional to 1,849,780,979 and 4,316,304,779 is: 10,071,725,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,780,979 : 4,316,304,779 = 4,316,304,779 : x
  2. Step 2: Convert to fraction form
    1,849,780,979/4,316,304,779 = 4,316,304,779/x
  3. Step 3: Cross multiply
    1,849,780,979x = 4,316,304,779 × 4,316,304,779
  4. Step 4: Simplify right side
    1,849,780,979x = 18,630,486,945,218,240,512
  5. Step 5: Solve for x
    x = 18,630,486,945,218,240,512/1,849,780,979
  6. Step 6: Final answer
    x = 10,071,725,872.81

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.