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Finding the Third Proportional to 39,888,355 and 87,343,514.50

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Solution

The third proportional to 39,888,355 and 87,343,514.50 is: 191,256,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888,355 : 87,343,514.50 = 87,343,514.50 : x
  2. Step 2: Convert to fraction form
    39,888,355/87,343,514.50 = 87,343,514.50/x
  3. Step 3: Cross multiply
    39,888,355x = 87,343,514.50 × 87,343,514.50
  4. Step 4: Simplify right side
    39,888,355x = 7,628,889,525,211,710
  5. Step 5: Solve for x
    x = 7,628,889,525,211,710/39,888,355
  6. Step 6: Final answer
    x = 191,256,057.69

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.