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Finding the Third Proportional to 39,551,448 and 86,761,122

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Solution

The third proportional to 39,551,448 and 86,761,122 is: 190,321,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,551,448 : 86,761,122 = 86,761,122 : x
  2. Step 2: Convert to fraction form
    39,551,448/86,761,122 = 86,761,122/x
  3. Step 3: Cross multiply
    39,551,448x = 86,761,122 × 86,761,122
  4. Step 4: Simplify right side
    39,551,448x = 7,527,492,290,698,884
  5. Step 5: Solve for x
    x = 7,527,492,290,698,884/39,551,448
  6. Step 6: Final answer
    x = 190,321,534.90

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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.