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Finding the Third Proportional to 77,495 and 164,291

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Solution

The third proportional to 77,495 and 164,291 is: 348,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,495 : 164,291 = 164,291 : x
  2. Step 2: Convert to fraction form
    77,495/164,291 = 164,291/x
  3. Step 3: Cross multiply
    77,495x = 164,291 × 164,291
  4. Step 4: Simplify right side
    77,495x = 26,991,532,681
  5. Step 5: Solve for x
    x = 26,991,532,681/77,495
  6. Step 6: Final answer
    x = 348,300.31

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.