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Finding the Third Proportional to 66,740,247 and 103,285,840.50

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Solution

The third proportional to 66,740,247 and 103,285,840.50 is: 159,843,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740,247 : 103,285,840.50 = 103,285,840.50 : x
  2. Step 2: Convert to fraction form
    66,740,247/103,285,840.50 = 103,285,840.50/x
  3. Step 3: Cross multiply
    66,740,247x = 103,285,840.50 × 103,285,840.50
  4. Step 4: Simplify right side
    66,740,247x = 10,667,964,847,791,440
  5. Step 5: Solve for x
    x = 10,667,964,847,791,440/66,740,247
  6. Step 6: Final answer
    x = 159,843,053.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.