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Finding the Third Proportional to 3,929,830 and 6,249,045

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Solution

The third proportional to 3,929,830 and 6,249,045 is: 9,936,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,830 : 6,249,045 = 6,249,045 : x
  2. Step 2: Convert to fraction form
    3,929,830/6,249,045 = 6,249,045/x
  3. Step 3: Cross multiply
    3,929,830x = 6,249,045 × 6,249,045
  4. Step 4: Simplify right side
    3,929,830x = 39,050,563,412,025
  5. Step 5: Solve for x
    x = 39,050,563,412,025/3,929,830
  6. Step 6: Final answer
    x = 9,936,959.97

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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.