Home / 7,890,780.38-16,980,036.75

Finding the Third Proportional to 7,890,780.38 and 16,980,036.75

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Solution

The third proportional to 7,890,780.38 and 16,980,036.75 is: 36,539,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,780.38 : 16,980,036.75 = 16,980,036.75 : x
  2. Step 2: Convert to fraction form
    7,890,780.38/16,980,036.75 = 16,980,036.75/x
  3. Step 3: Cross multiply
    7,890,780.38x = 16,980,036.75 × 16,980,036.75
  4. Step 4: Simplify right side
    7,890,780.38x = 288,321,648,031,350.56
  5. Step 5: Solve for x
    x = 288,321,648,031,350.56/7,890,780.38
  6. Step 6: Final answer
    x = 36,539,053.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.