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Finding the Third Proportional to 423,024 and 655,334

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Solution

The third proportional to 423,024 and 655,334 is: 1,015,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,024 : 655,334 = 655,334 : x
  2. Step 2: Convert to fraction form
    423,024/655,334 = 655,334/x
  3. Step 3: Cross multiply
    423,024x = 655,334 × 655,334
  4. Step 4: Simplify right side
    423,024x = 429,462,651,556
  5. Step 5: Solve for x
    x = 429,462,651,556/423,024
  6. Step 6: Final answer
    x = 1,015,220.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.