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Finding the Third Proportional to 357,224 and 499,452

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Solution

The third proportional to 357,224 and 499,452 is: 698,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,224 : 499,452 = 499,452 : x
  2. Step 2: Convert to fraction form
    357,224/499,452 = 499,452/x
  3. Step 3: Cross multiply
    357,224x = 499,452 × 499,452
  4. Step 4: Simplify right side
    357,224x = 249,452,300,304
  5. Step 5: Solve for x
    x = 249,452,300,304/357,224
  6. Step 6: Final answer
    x = 698,307.79

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.