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Finding the Third Proportional to 35,710 and 77,648

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Solution

The third proportional to 35,710 and 77,648 is: 168,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,710 : 77,648 = 77,648 : x
  2. Step 2: Convert to fraction form
    35,710/77,648 = 77,648/x
  3. Step 3: Cross multiply
    35,710x = 77,648 × 77,648
  4. Step 4: Simplify right side
    35,710x = 6,029,211,904
  5. Step 5: Solve for x
    x = 6,029,211,904/35,710
  6. Step 6: Final answer
    x = 168,838.19

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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.