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Finding the Third Proportional to 39,636,030 and 87,066,529

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Solution

The third proportional to 39,636,030 and 87,066,529 is: 191,254,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636,030 : 87,066,529 = 87,066,529 : x
  2. Step 2: Convert to fraction form
    39,636,030/87,066,529 = 87,066,529/x
  3. Step 3: Cross multiply
    39,636,030x = 87,066,529 × 87,066,529
  4. Step 4: Simplify right side
    39,636,030x = 7,580,580,472,107,841
  5. Step 5: Solve for x
    x = 7,580,580,472,107,841/39,636,030
  6. Step 6: Final answer
    x = 191,254,786.92

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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.