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Finding the Third Proportional to 909,391.50 and 1,264,423.50

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Solution

The third proportional to 909,391.50 and 1,264,423.50 is: 1,758,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,391.50 : 1,264,423.50 = 1,264,423.50 : x
  2. Step 2: Convert to fraction form
    909,391.50/1,264,423.50 = 1,264,423.50/x
  3. Step 3: Cross multiply
    909,391.50x = 1,264,423.50 × 1,264,423.50
  4. Step 4: Simplify right side
    909,391.50x = 1,598,766,787,352.25
  5. Step 5: Solve for x
    x = 1,598,766,787,352.25/909,391.50
  6. Step 6: Final answer
    x = 1,758,062.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.