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Finding the Third Proportional to 1,649.53 and 2,430.28

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Solution

The third proportional to 1,649.53 and 2,430.28 is: 3,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.53 : 2,430.28 = 2,430.28 : x
  2. Step 2: Convert to fraction form
    1,649.53/2,430.28 = 2,430.28/x
  3. Step 3: Cross multiply
    1,649.53x = 2,430.28 × 2,430.28
  4. Step 4: Simplify right side
    1,649.53x = 5,906,266.95
  5. Step 5: Solve for x
    x = 5,906,266.95/1,649.53
  6. Step 6: Final answer
    x = 3,580.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.