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Finding the Third Proportional to 39,636,020.25 and 87,066,508.50

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Solution

The third proportional to 39,636,020.25 and 87,066,508.50 is: 191,254,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636,020.25 : 87,066,508.50 = 87,066,508.50 : x
  2. Step 2: Convert to fraction form
    39,636,020.25/87,066,508.50 = 87,066,508.50/x
  3. Step 3: Cross multiply
    39,636,020.25x = 87,066,508.50 × 87,066,508.50
  4. Step 4: Simplify right side
    39,636,020.25x = 7,580,576,902,380,572
  5. Step 5: Solve for x
    x = 7,580,576,902,380,572/39,636,020.25
  6. Step 6: Final answer
    x = 191,254,743.91

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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.