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Finding the Third Proportional to 85,413,968 and 132,368,052

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Solution

The third proportional to 85,413,968 and 132,368,052 is: 205,133,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,413,968 : 132,368,052 = 132,368,052 : x
  2. Step 2: Convert to fraction form
    85,413,968/132,368,052 = 132,368,052/x
  3. Step 3: Cross multiply
    85,413,968x = 132,368,052 × 132,368,052
  4. Step 4: Simplify right side
    85,413,968x = 17,521,301,190,274,704
  5. Step 5: Solve for x
    x = 17,521,301,190,274,704/85,413,968
  6. Step 6: Final answer
    x = 205,133,909.60

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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.