Home / 12,681,091.69-18,988,187.06

Finding the Third Proportional to 12,681,091.69 and 18,988,187.06

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Solution

The third proportional to 12,681,091.69 and 18,988,187.06 is: 28,432,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681,091.69 : 18,988,187.06 = 18,988,187.06 : x
  2. Step 2: Convert to fraction form
    12,681,091.69/18,988,187.06 = 18,988,187.06/x
  3. Step 3: Cross multiply
    12,681,091.69x = 18,988,187.06 × 18,988,187.06
  4. Step 4: Simplify right side
    12,681,091.69x = 360,551,247,920,492.38
  5. Step 5: Solve for x
    x = 360,551,247,920,492.38/12,681,091.69
  6. Step 6: Final answer
    x = 28,432,193.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.