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Finding the Third Proportional to 359,288 and 782,363

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Solution

The third proportional to 359,288 and 782,363 is: 1,703,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,288 : 782,363 = 782,363 : x
  2. Step 2: Convert to fraction form
    359,288/782,363 = 782,363/x
  3. Step 3: Cross multiply
    359,288x = 782,363 × 782,363
  4. Step 4: Simplify right side
    359,288x = 612,091,863,769
  5. Step 5: Solve for x
    x = 612,091,863,769/359,288
  6. Step 6: Final answer
    x = 1,703,624.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.