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Finding the Third Proportional to 931,558.50 and 1,318,423.50

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Solution

The third proportional to 931,558.50 and 1,318,423.50 is: 1,865,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,558.50 : 1,318,423.50 = 1,318,423.50 : x
  2. Step 2: Convert to fraction form
    931,558.50/1,318,423.50 = 1,318,423.50/x
  3. Step 3: Cross multiply
    931,558.50x = 1,318,423.50 × 1,318,423.50
  4. Step 4: Simplify right side
    931,558.50x = 1,738,240,525,352.25
  5. Step 5: Solve for x
    x = 1,738,240,525,352.25/931,558.50
  6. Step 6: Final answer
    x = 1,865,948.86

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.