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Finding the Third Proportional to 170,639,833 and 257,753,048.50

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Solution

The third proportional to 170,639,833 and 257,753,048.50 is: 389,338,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,639,833 : 257,753,048.50 = 257,753,048.50 : x
  2. Step 2: Convert to fraction form
    170,639,833/257,753,048.50 = 257,753,048.50/x
  3. Step 3: Cross multiply
    170,639,833x = 257,753,048.50 × 257,753,048.50
  4. Step 4: Simplify right side
    170,639,833x = 66,436,634,011,043,352
  5. Step 5: Solve for x
    x = 66,436,634,011,043,352/170,639,833
  6. Step 6: Final answer
    x = 389,338,367.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.