Home / 18,181,128.38-39,195,798.75

Finding the Third Proportional to 18,181,128.38 and 39,195,798.75

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Solution

The third proportional to 18,181,128.38 and 39,195,798.75 is: 84,500,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,128.38 : 39,195,798.75 = 39,195,798.75 : x
  2. Step 2: Convert to fraction form
    18,181,128.38/39,195,798.75 = 39,195,798.75/x
  3. Step 3: Cross multiply
    18,181,128.38x = 39,195,798.75 × 39,195,798.75
  4. Step 4: Simplify right side
    18,181,128.38x = 1,536,310,639,650,501.50
  5. Step 5: Solve for x
    x = 1,536,310,639,650,501.50/18,181,128.38
  6. Step 6: Final answer
    x = 84,500,291.07

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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.