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Finding the Third Proportional to 299,485.13 and 654,237

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Solution

The third proportional to 299,485.13 and 654,237 is: 1,429,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,485.13 : 654,237 = 654,237 : x
  2. Step 2: Convert to fraction form
    299,485.13/654,237 = 654,237/x
  3. Step 3: Cross multiply
    299,485.13x = 654,237 × 654,237
  4. Step 4: Simplify right side
    299,485.13x = 428,026,052,169
  5. Step 5: Solve for x
    x = 428,026,052,169/299,485.13
  6. Step 6: Final answer
    x = 1,429,206.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.