Home / 79,864,005.38-122,680,929.38

Finding the Third Proportional to 79,864,005.38 and 122,680,929.38

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Solution

The third proportional to 79,864,005.38 and 122,680,929.38 is: 188,452,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,864,005.38 : 122,680,929.38 = 122,680,929.38 : x
  2. Step 2: Convert to fraction form
    79,864,005.38/122,680,929.38 = 122,680,929.38/x
  3. Step 3: Cross multiply
    79,864,005.38x = 122,680,929.38 × 122,680,929.38
  4. Step 4: Simplify right side
    79,864,005.38x = 15,050,610,432,313,738
  5. Step 5: Solve for x
    x = 15,050,610,432,313,738/79,864,005.38
  6. Step 6: Final answer
    x = 188,452,987.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.