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Finding the Third Proportional to 738,142.50 and 1,205,307

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Solution

The third proportional to 738,142.50 and 1,205,307 is: 1,968,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,142.50 : 1,205,307 = 1,205,307 : x
  2. Step 2: Convert to fraction form
    738,142.50/1,205,307 = 1,205,307/x
  3. Step 3: Cross multiply
    738,142.50x = 1,205,307 × 1,205,307
  4. Step 4: Simplify right side
    738,142.50x = 1,452,764,964,249
  5. Step 5: Solve for x
    x = 1,452,764,964,249/738,142.50
  6. Step 6: Final answer
    x = 1,968,136.19

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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.