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Finding the Third Proportional to 295,389.75 and 648,219

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Solution

The third proportional to 295,389.75 and 648,219 is: 1,422,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,389.75 : 648,219 = 648,219 : x
  2. Step 2: Convert to fraction form
    295,389.75/648,219 = 648,219/x
  3. Step 3: Cross multiply
    295,389.75x = 648,219 × 648,219
  4. Step 4: Simplify right side
    295,389.75x = 420,187,871,961
  5. Step 5: Solve for x
    x = 420,187,871,961/295,389.75
  6. Step 6: Final answer
    x = 1,422,486.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.