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Finding the Third Proportional to 86,601,298.50 and 188,447,917.50

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Solution

The third proportional to 86,601,298.50 and 188,447,917.50 is: 410,070,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,601,298.50 : 188,447,917.50 = 188,447,917.50 : x
  2. Step 2: Convert to fraction form
    86,601,298.50/188,447,917.50 = 188,447,917.50/x
  3. Step 3: Cross multiply
    86,601,298.50x = 188,447,917.50 × 188,447,917.50
  4. Step 4: Simplify right side
    86,601,298.50x = 35,512,617,610,086,808
  5. Step 5: Solve for x
    x = 35,512,617,610,086,808/86,601,298.50
  6. Step 6: Final answer
    x = 410,070,267.13

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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.