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Finding the Third Proportional to 35,705 and 77,763

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Solution

The third proportional to 35,705 and 77,763 is: 169,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705 : 77,763 = 77,763 : x
  2. Step 2: Convert to fraction form
    35,705/77,763 = 77,763/x
  3. Step 3: Cross multiply
    35,705x = 77,763 × 77,763
  4. Step 4: Simplify right side
    35,705x = 6,047,084,169
  5. Step 5: Solve for x
    x = 6,047,084,169/35,705
  6. Step 6: Final answer
    x = 169,362.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.