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Finding the Third Proportional to 87,306,210 and 190,112,784

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Solution

The third proportional to 87,306,210 and 190,112,784 is: 413,978,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,306,210 : 190,112,784 = 190,112,784 : x
  2. Step 2: Convert to fraction form
    87,306,210/190,112,784 = 190,112,784/x
  3. Step 3: Cross multiply
    87,306,210x = 190,112,784 × 190,112,784
  4. Step 4: Simplify right side
    87,306,210x = 36,142,870,640,230,656
  5. Step 5: Solve for x
    x = 36,142,870,640,230,656/87,306,210
  6. Step 6: Final answer
    x = 413,978,234.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.