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Finding the Third Proportional to 258,235,576.50 and 553,311,848.50

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Solution

The third proportional to 258,235,576.50 and 553,311,848.50 is: 1,185,560,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,235,576.50 : 553,311,848.50 = 553,311,848.50 : x
  2. Step 2: Convert to fraction form
    258,235,576.50/553,311,848.50 = 553,311,848.50/x
  3. Step 3: Cross multiply
    258,235,576.50x = 553,311,848.50 × 553,311,848.50
  4. Step 4: Simplify right side
    258,235,576.50x = 306,154,001,690,486,976
  5. Step 5: Solve for x
    x = 306,154,001,690,486,976/258,235,576.50
  6. Step 6: Final answer
    x = 1,185,560,896.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.