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Finding the Third Proportional to 86,819,070 and 188,733,948

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Solution

The third proportional to 86,819,070 and 188,733,948 is: 410,284,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,819,070 : 188,733,948 = 188,733,948 : x
  2. Step 2: Convert to fraction form
    86,819,070/188,733,948 = 188,733,948/x
  3. Step 3: Cross multiply
    86,819,070x = 188,733,948 × 188,733,948
  4. Step 4: Simplify right side
    86,819,070x = 35,620,503,127,666,704
  5. Step 5: Solve for x
    x = 35,620,503,127,666,704/86,819,070
  6. Step 6: Final answer
    x = 410,284,320.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.