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Finding the Third Proportional to 523,651.50 and 819,173.50

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Solution

The third proportional to 523,651.50 and 819,173.50 is: 1,281,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,651.50 : 819,173.50 = 819,173.50 : x
  2. Step 2: Convert to fraction form
    523,651.50/819,173.50 = 819,173.50/x
  3. Step 3: Cross multiply
    523,651.50x = 819,173.50 × 819,173.50
  4. Step 4: Simplify right side
    523,651.50x = 671,045,223,102.25
  5. Step 5: Solve for x
    x = 671,045,223,102.25/523,651.50
  6. Step 6: Final answer
    x = 1,281,472.93

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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.