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Finding the Third Proportional to 379,574 and 573,281

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Solution

The third proportional to 379,574 and 573,281 is: 865,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,574 : 573,281 = 573,281 : x
  2. Step 2: Convert to fraction form
    379,574/573,281 = 573,281/x
  3. Step 3: Cross multiply
    379,574x = 573,281 × 573,281
  4. Step 4: Simplify right side
    379,574x = 328,651,104,961
  5. Step 5: Solve for x
    x = 328,651,104,961/379,574
  6. Step 6: Final answer
    x = 865,841.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.