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Finding the Third Proportional to 61,178 and 134,389

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Solution

The third proportional to 61,178 and 134,389 is: 295,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178 : 134,389 = 134,389 : x
  2. Step 2: Convert to fraction form
    61,178/134,389 = 134,389/x
  3. Step 3: Cross multiply
    61,178x = 134,389 × 134,389
  4. Step 4: Simplify right side
    61,178x = 18,060,403,321
  5. Step 5: Solve for x
    x = 18,060,403,321/61,178
  6. Step 6: Final answer
    x = 295,210.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.