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Finding the Third Proportional to 115,859 and 253,862

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Solution

The third proportional to 115,859 and 253,862 is: 556,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,859 : 253,862 = 253,862 : x
  2. Step 2: Convert to fraction form
    115,859/253,862 = 253,862/x
  3. Step 3: Cross multiply
    115,859x = 253,862 × 253,862
  4. Step 4: Simplify right side
    115,859x = 64,445,915,044
  5. Step 5: Solve for x
    x = 64,445,915,044/115,859
  6. Step 6: Final answer
    x = 556,244.36

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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.