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Finding the Third Proportional to 39,698,542.13 and 86,460,048

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Solution

The third proportional to 39,698,542.13 and 86,460,048 is: 188,302,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,698,542.13 : 86,460,048 = 86,460,048 : x
  2. Step 2: Convert to fraction form
    39,698,542.13/86,460,048 = 86,460,048/x
  3. Step 3: Cross multiply
    39,698,542.13x = 86,460,048 × 86,460,048
  4. Step 4: Simplify right side
    39,698,542.13x = 7,475,339,900,162,304
  5. Step 5: Solve for x
    x = 7,475,339,900,162,304/39,698,542.13
  6. Step 6: Final answer
    x = 188,302,630.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.