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Finding the Third Proportional to 359,374 and 556,374

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Solution

The third proportional to 359,374 and 556,374 is: 861,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,374 : 556,374 = 556,374 : x
  2. Step 2: Convert to fraction form
    359,374/556,374 = 556,374/x
  3. Step 3: Cross multiply
    359,374x = 556,374 × 556,374
  4. Step 4: Simplify right side
    359,374x = 309,552,027,876
  5. Step 5: Solve for x
    x = 309,552,027,876/359,374
  6. Step 6: Final answer
    x = 861,364.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.