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Finding the Third Proportional to 3,929,828 and 6,249,042

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Solution

The third proportional to 3,929,828 and 6,249,042 is: 9,936,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,828 : 6,249,042 = 6,249,042 : x
  2. Step 2: Convert to fraction form
    3,929,828/6,249,042 = 6,249,042/x
  3. Step 3: Cross multiply
    3,929,828x = 6,249,042 × 6,249,042
  4. Step 4: Simplify right side
    3,929,828x = 39,050,525,917,764
  5. Step 5: Solve for x
    x = 39,050,525,917,764/3,929,828
  6. Step 6: Final answer
    x = 9,936,955.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.