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Finding the Third Proportional to 254,746 and 553,726

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Solution

The third proportional to 254,746 and 553,726 is: 1,203,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,746 : 553,726 = 553,726 : x
  2. Step 2: Convert to fraction form
    254,746/553,726 = 553,726/x
  3. Step 3: Cross multiply
    254,746x = 553,726 × 553,726
  4. Step 4: Simplify right side
    254,746x = 306,612,483,076
  5. Step 5: Solve for x
    x = 306,612,483,076/254,746
  6. Step 6: Final answer
    x = 1,203,600.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.