Home / 36,262,665.98-78,268,021.88

Finding the Third Proportional to 36,262,665.98 and 78,268,021.88

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Solution

The third proportional to 36,262,665.98 and 78,268,021.88 is: 168,930,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,262,665.98 : 78,268,021.88 = 78,268,021.88 : x
  2. Step 2: Convert to fraction form
    36,262,665.98/78,268,021.88 = 78,268,021.88/x
  3. Step 3: Cross multiply
    36,262,665.98x = 78,268,021.88 × 78,268,021.88
  4. Step 4: Simplify right side
    36,262,665.98x = 6,125,883,248,225,479
  5. Step 5: Solve for x
    x = 6,125,883,248,225,479/36,262,665.98
  6. Step 6: Final answer
    x = 168,930,857.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.