Home / 81,158,348.67-170,288,312.34

Finding the Third Proportional to 81,158,348.67 and 170,288,312.34

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Solution

The third proportional to 81,158,348.67 and 170,288,312.34 is: 357,302,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,158,348.67 : 170,288,312.34 = 170,288,312.34 : x
  2. Step 2: Convert to fraction form
    81,158,348.67/170,288,312.34 = 170,288,312.34/x
  3. Step 3: Cross multiply
    81,158,348.67x = 170,288,312.34 × 170,288,312.34
  4. Step 4: Simplify right side
    81,158,348.67x = 28,998,109,320,882,560
  5. Step 5: Solve for x
    x = 28,998,109,320,882,560/81,158,348.67
  6. Step 6: Final answer
    x = 357,302,850.48

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.