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Finding the Third Proportional to 402,976 and 882,368

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Solution

The third proportional to 402,976 and 882,368 is: 1,932,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,976 : 882,368 = 882,368 : x
  2. Step 2: Convert to fraction form
    402,976/882,368 = 882,368/x
  3. Step 3: Cross multiply
    402,976x = 882,368 × 882,368
  4. Step 4: Simplify right side
    402,976x = 778,573,287,424
  5. Step 5: Solve for x
    x = 778,573,287,424/402,976
  6. Step 6: Final answer
    x = 1,932,058.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.