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Finding the Third Proportional to 299,448 and 655,164

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Solution

The third proportional to 299,448 and 655,164 is: 1,433,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448 : 655,164 = 655,164 : x
  2. Step 2: Convert to fraction form
    299,448/655,164 = 655,164/x
  3. Step 3: Cross multiply
    299,448x = 655,164 × 655,164
  4. Step 4: Simplify right side
    299,448x = 429,239,866,896
  5. Step 5: Solve for x
    x = 429,239,866,896/299,448
  6. Step 6: Final answer
    x = 1,433,437.08

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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.