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Finding the Third Proportional to 359,280 and 499,546

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Solution

The third proportional to 359,280 and 499,546 is: 694,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,280 : 499,546 = 499,546 : x
  2. Step 2: Convert to fraction form
    359,280/499,546 = 499,546/x
  3. Step 3: Cross multiply
    359,280x = 499,546 × 499,546
  4. Step 4: Simplify right side
    359,280x = 249,546,206,116
  5. Step 5: Solve for x
    x = 249,546,206,116/359,280
  6. Step 6: Final answer
    x = 694,573.05

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.