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Finding the Third Proportional to 189,167,370 and 285,104,106

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Solution

The third proportional to 189,167,370 and 285,104,106 is: 429,695,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,167,370 : 285,104,106 = 285,104,106 : x
  2. Step 2: Convert to fraction form
    189,167,370/285,104,106 = 285,104,106/x
  3. Step 3: Cross multiply
    189,167,370x = 285,104,106 × 285,104,106
  4. Step 4: Simplify right side
    189,167,370x = 81,284,351,258,059,232
  5. Step 5: Solve for x
    x = 81,284,351,258,059,232/189,167,370
  6. Step 6: Final answer
    x = 429,695,413.42

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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.