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Finding the Third Proportional to 3,308,207,673 and 5,121,833,557.50

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Solution

The third proportional to 3,308,207,673 and 5,121,833,557.50 is: 7,929,725,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,207,673 : 5,121,833,557.50 = 5,121,833,557.50 : x
  2. Step 2: Convert to fraction form
    3,308,207,673/5,121,833,557.50 = 5,121,833,557.50/x
  3. Step 3: Cross multiply
    3,308,207,673x = 5,121,833,557.50 × 5,121,833,557.50
  4. Step 4: Simplify right side
    3,308,207,673x = 26,233,178,990,733,107,200
  5. Step 5: Solve for x
    x = 26,233,178,990,733,107,200/3,308,207,673
  6. Step 6: Final answer
    x = 7,929,725,574.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.