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Finding the Third Proportional to 572,736 and 1,239,864

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Solution

The third proportional to 572,736 and 1,239,864 is: 2,684,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,736 : 1,239,864 = 1,239,864 : x
  2. Step 2: Convert to fraction form
    572,736/1,239,864 = 1,239,864/x
  3. Step 3: Cross multiply
    572,736x = 1,239,864 × 1,239,864
  4. Step 4: Simplify right side
    572,736x = 1,537,262,738,496
  5. Step 5: Solve for x
    x = 1,537,262,738,496/572,736
  6. Step 6: Final answer
    x = 2,684,068.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.