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Finding the Third Proportional to 39,636,024 and 87,066,517

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Solution

The third proportional to 39,636,024 and 87,066,517 is: 191,254,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636,024 : 87,066,517 = 87,066,517 : x
  2. Step 2: Convert to fraction form
    39,636,024/87,066,517 = 87,066,517/x
  3. Step 3: Cross multiply
    39,636,024x = 87,066,517 × 87,066,517
  4. Step 4: Simplify right side
    39,636,024x = 7,580,578,382,511,289
  5. Step 5: Solve for x
    x = 7,580,578,382,511,289/39,636,024
  6. Step 6: Final answer
    x = 191,254,763.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.