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Finding the Third Proportional to 359,837 and 528,091

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Solution

The third proportional to 359,837 and 528,091 is: 775,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,837 : 528,091 = 528,091 : x
  2. Step 2: Convert to fraction form
    359,837/528,091 = 528,091/x
  3. Step 3: Cross multiply
    359,837x = 528,091 × 528,091
  4. Step 4: Simplify right side
    359,837x = 278,880,104,281
  5. Step 5: Solve for x
    x = 278,880,104,281/359,837
  6. Step 6: Final answer
    x = 775,017.87

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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.