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Finding the Third Proportional to 163,526,235.86 and 251,351,089.88

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Solution

The third proportional to 163,526,235.86 and 251,351,089.88 is: 386,343,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,526,235.86 : 251,351,089.88 = 251,351,089.88 : x
  2. Step 2: Convert to fraction form
    163,526,235.86/251,351,089.88 = 251,351,089.88/x
  3. Step 3: Cross multiply
    163,526,235.86x = 251,351,089.88 × 251,351,089.88
  4. Step 4: Simplify right side
    163,526,235.86x = 63,177,370,381,350,328
  5. Step 5: Solve for x
    x = 63,177,370,381,350,328/163,526,235.86
  6. Step 6: Final answer
    x = 386,343,940.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.