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Finding the Third Proportional to 359,836 and 528,088

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Solution

The third proportional to 359,836 and 528,088 is: 775,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,836 : 528,088 = 528,088 : x
  2. Step 2: Convert to fraction form
    359,836/528,088 = 528,088/x
  3. Step 3: Cross multiply
    359,836x = 528,088 × 528,088
  4. Step 4: Simplify right side
    359,836x = 278,876,935,744
  5. Step 5: Solve for x
    x = 278,876,935,744/359,836
  6. Step 6: Final answer
    x = 775,011.22

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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.