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Finding the Third Proportional to 159,780 and 348,159.75

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Solution

The third proportional to 159,780 and 348,159.75 is: 758,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,780 : 348,159.75 = 348,159.75 : x
  2. Step 2: Convert to fraction form
    159,780/348,159.75 = 348,159.75/x
  3. Step 3: Cross multiply
    159,780x = 348,159.75 × 348,159.75
  4. Step 4: Simplify right side
    159,780x = 121,215,211,520.06
  5. Step 5: Solve for x
    x = 121,215,211,520.06/159,780
  6. Step 6: Final answer
    x = 758,638.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.