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Finding the Third Proportional to 301,784 and 655,484

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Solution

The third proportional to 301,784 and 655,484 is: 1,423,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,784 : 655,484 = 655,484 : x
  2. Step 2: Convert to fraction form
    301,784/655,484 = 655,484/x
  3. Step 3: Cross multiply
    301,784x = 655,484 × 655,484
  4. Step 4: Simplify right side
    301,784x = 429,659,274,256
  5. Step 5: Solve for x
    x = 429,659,274,256/301,784
  6. Step 6: Final answer
    x = 1,423,731.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.