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Finding the Third Proportional to 265,542 and 573,340

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Solution

The third proportional to 265,542 and 573,340 is: 1,237,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,542 : 573,340 = 573,340 : x
  2. Step 2: Convert to fraction form
    265,542/573,340 = 573,340/x
  3. Step 3: Cross multiply
    265,542x = 573,340 × 573,340
  4. Step 4: Simplify right side
    265,542x = 328,718,755,600
  5. Step 5: Solve for x
    x = 328,718,755,600/265,542
  6. Step 6: Final answer
    x = 1,237,916.25

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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.