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Finding the Third Proportional to 77,040 and 164,954.50

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Solution

The third proportional to 77,040 and 164,954.50 is: 353,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,040 : 164,954.50 = 164,954.50 : x
  2. Step 2: Convert to fraction form
    77,040/164,954.50 = 164,954.50/x
  3. Step 3: Cross multiply
    77,040x = 164,954.50 × 164,954.50
  4. Step 4: Simplify right side
    77,040x = 27,209,987,070.25
  5. Step 5: Solve for x
    x = 27,209,987,070.25/77,040
  6. Step 6: Final answer
    x = 353,192.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.