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Finding the Third Proportional to 359,818 and 528,063

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Solution

The third proportional to 359,818 and 528,063 is: 774,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,818 : 528,063 = 528,063 : x
  2. Step 2: Convert to fraction form
    359,818/528,063 = 528,063/x
  3. Step 3: Cross multiply
    359,818x = 528,063 × 528,063
  4. Step 4: Simplify right side
    359,818x = 278,850,531,969
  5. Step 5: Solve for x
    x = 278,850,531,969/359,818
  6. Step 6: Final answer
    x = 774,976.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.