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Finding the Third Proportional to 122,812,136 and 254,319,568

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Solution

The third proportional to 122,812,136 and 254,319,568 is: 526,645,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,812,136 : 254,319,568 = 254,319,568 : x
  2. Step 2: Convert to fraction form
    122,812,136/254,319,568 = 254,319,568/x
  3. Step 3: Cross multiply
    122,812,136x = 254,319,568 × 254,319,568
  4. Step 4: Simplify right side
    122,812,136x = 64,678,442,667,706,624
  5. Step 5: Solve for x
    x = 64,678,442,667,706,624/122,812,136
  6. Step 6: Final answer
    x = 526,645,368.89

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.