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Finding the Third Proportional to 119,849,765.63 and 258,579,659.25

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Solution

The third proportional to 119,849,765.63 and 258,579,659.25 is: 557,893,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,849,765.63 : 258,579,659.25 = 258,579,659.25 : x
  2. Step 2: Convert to fraction form
    119,849,765.63/258,579,659.25 = 258,579,659.25/x
  3. Step 3: Cross multiply
    119,849,765.63x = 258,579,659.25 × 258,579,659.25
  4. Step 4: Simplify right side
    119,849,765.63x = 66,863,440,177,846,112
  5. Step 5: Solve for x
    x = 66,863,440,177,846,112/119,849,765.63
  6. Step 6: Final answer
    x = 557,893,791.69

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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.