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Finding the Third Proportional to 1,379,674.50 and 2,153,307

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Solution

The third proportional to 1,379,674.50 and 2,153,307 is: 3,360,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,674.50 : 2,153,307 = 2,153,307 : x
  2. Step 2: Convert to fraction form
    1,379,674.50/2,153,307 = 2,153,307/x
  3. Step 3: Cross multiply
    1,379,674.50x = 2,153,307 × 2,153,307
  4. Step 4: Simplify right side
    1,379,674.50x = 4,636,731,036,249
  5. Step 5: Solve for x
    x = 4,636,731,036,249/1,379,674.50
  6. Step 6: Final answer
    x = 3,360,742.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.