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Finding the Third Proportional to 30,281,199 and 66,424,438.50

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Solution

The third proportional to 30,281,199 and 66,424,438.50 is: 145,707,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,199 : 66,424,438.50 = 66,424,438.50 : x
  2. Step 2: Convert to fraction form
    30,281,199/66,424,438.50 = 66,424,438.50/x
  3. Step 3: Cross multiply
    30,281,199x = 66,424,438.50 × 66,424,438.50
  4. Step 4: Simplify right side
    30,281,199x = 4,412,206,030,040,282
  5. Step 5: Solve for x
    x = 4,412,206,030,040,282/30,281,199
  6. Step 6: Final answer
    x = 145,707,771.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.