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Finding the Third Proportional to 2,989,136.50 and 4,194,349.50

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Solution

The third proportional to 2,989,136.50 and 4,194,349.50 is: 5,885,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,136.50 : 4,194,349.50 = 4,194,349.50 : x
  2. Step 2: Convert to fraction form
    2,989,136.50/4,194,349.50 = 4,194,349.50/x
  3. Step 3: Cross multiply
    2,989,136.50x = 4,194,349.50 × 4,194,349.50
  4. Step 4: Simplify right side
    2,989,136.50x = 17,592,567,728,150.25
  5. Step 5: Solve for x
    x = 17,592,567,728,150.25/2,989,136.50
  6. Step 6: Final answer
    x = 5,885,501.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.