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Finding the Third Proportional to 8,858,898.75 and 18,946,243.50

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Solution

The third proportional to 8,858,898.75 and 18,946,243.50 is: 40,519,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,898.75 : 18,946,243.50 = 18,946,243.50 : x
  2. Step 2: Convert to fraction form
    8,858,898.75/18,946,243.50 = 18,946,243.50/x
  3. Step 3: Cross multiply
    8,858,898.75x = 18,946,243.50 × 18,946,243.50
  4. Step 4: Simplify right side
    8,858,898.75x = 358,960,142,761,292.25
  5. Step 5: Solve for x
    x = 358,960,142,761,292.25/8,858,898.75
  6. Step 6: Final answer
    x = 40,519,725.18

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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.