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Finding the Third Proportional to 554,879 and 832,391

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Solution

The third proportional to 554,879 and 832,391 is: 1,248,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,879 : 832,391 = 832,391 : x
  2. Step 2: Convert to fraction form
    554,879/832,391 = 832,391/x
  3. Step 3: Cross multiply
    554,879x = 832,391 × 832,391
  4. Step 4: Simplify right side
    554,879x = 692,874,776,881
  5. Step 5: Solve for x
    x = 692,874,776,881/554,879
  6. Step 6: Final answer
    x = 1,248,695.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.