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Finding the Third Proportional to 90,187,036 and 197,610,800

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Solution

The third proportional to 90,187,036 and 197,610,800 is: 432,989,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,187,036 : 197,610,800 = 197,610,800 : x
  2. Step 2: Convert to fraction form
    90,187,036/197,610,800 = 197,610,800/x
  3. Step 3: Cross multiply
    90,187,036x = 197,610,800 × 197,610,800
  4. Step 4: Simplify right side
    90,187,036x = 39,050,028,276,640,000
  5. Step 5: Solve for x
    x = 39,050,028,276,640,000/90,187,036
  6. Step 6: Final answer
    x = 432,989,374.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.