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Finding the Third Proportional to 1,031,718.50 and 1,375,989

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Solution

The third proportional to 1,031,718.50 and 1,375,989 is: 1,835,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,718.50 : 1,375,989 = 1,375,989 : x
  2. Step 2: Convert to fraction form
    1,031,718.50/1,375,989 = 1,375,989/x
  3. Step 3: Cross multiply
    1,031,718.50x = 1,375,989 × 1,375,989
  4. Step 4: Simplify right side
    1,031,718.50x = 1,893,345,728,121
  5. Step 5: Solve for x
    x = 1,893,345,728,121/1,031,718.50
  6. Step 6: Final answer
    x = 1,835,137.91

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.