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Finding the Third Proportional to 166,432,522.50 and 359,518,378.50

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Solution

The third proportional to 166,432,522.50 and 359,518,378.50 is: 776,611,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,432,522.50 : 359,518,378.50 = 359,518,378.50 : x
  2. Step 2: Convert to fraction form
    166,432,522.50/359,518,378.50 = 359,518,378.50/x
  3. Step 3: Cross multiply
    166,432,522.50x = 359,518,378.50 × 359,518,378.50
  4. Step 4: Simplify right side
    166,432,522.50x = 129,253,464,479,269,264
  5. Step 5: Solve for x
    x = 129,253,464,479,269,264/166,432,522.50
  6. Step 6: Final answer
    x = 776,611,821.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.