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Finding the Third Proportional to 66,913,027 and 102,292,778

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Solution

The third proportional to 66,913,027 and 102,292,778 is: 156,379,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913,027 : 102,292,778 = 102,292,778 : x
  2. Step 2: Convert to fraction form
    66,913,027/102,292,778 = 102,292,778/x
  3. Step 3: Cross multiply
    66,913,027x = 102,292,778 × 102,292,778
  4. Step 4: Simplify right side
    66,913,027x = 10,463,812,430,957,284
  5. Step 5: Solve for x
    x = 10,463,812,430,957,284/66,913,027
  6. Step 6: Final answer
    x = 156,379,301.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.