Home / 10,872,171.38-15,208,038.94

Finding the Third Proportional to 10,872,171.38 and 15,208,038.94

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Solution

The third proportional to 10,872,171.38 and 15,208,038.94 is: 21,273,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,171.38 : 15,208,038.94 = 15,208,038.94 : x
  2. Step 2: Convert to fraction form
    10,872,171.38/15,208,038.94 = 15,208,038.94/x
  3. Step 3: Cross multiply
    10,872,171.38x = 15,208,038.94 × 15,208,038.94
  4. Step 4: Simplify right side
    10,872,171.38x = 231,284,448,324,516.12
  5. Step 5: Solve for x
    x = 231,284,448,324,516.12/10,872,171.38
  6. Step 6: Final answer
    x = 21,273,068.68

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.