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Finding the Third Proportional to 77,220 and 169,202

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Solution

The third proportional to 77,220 and 169,202 is: 370,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220 : 169,202 = 169,202 : x
  2. Step 2: Convert to fraction form
    77,220/169,202 = 169,202/x
  3. Step 3: Cross multiply
    77,220x = 169,202 × 169,202
  4. Step 4: Simplify right side
    77,220x = 28,629,316,804
  5. Step 5: Solve for x
    x = 28,629,316,804/77,220
  6. Step 6: Final answer
    x = 370,750.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.