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Finding the Third Proportional to 71,874,330 and 117,351,907.50

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Solution

The third proportional to 71,874,330 and 117,351,907.50 is: 191,604,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,874,330 : 117,351,907.50 = 117,351,907.50 : x
  2. Step 2: Convert to fraction form
    71,874,330/117,351,907.50 = 117,351,907.50/x
  3. Step 3: Cross multiply
    71,874,330x = 117,351,907.50 × 117,351,907.50
  4. Step 4: Simplify right side
    71,874,330x = 13,771,470,193,888,556
  5. Step 5: Solve for x
    x = 13,771,470,193,888,556/71,874,330
  6. Step 6: Final answer
    x = 191,604,849.66

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.