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Finding the Third Proportional to 3,890,316 and 6,250,638

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Solution

The third proportional to 3,890,316 and 6,250,638 is: 10,043,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,316 : 6,250,638 = 6,250,638 : x
  2. Step 2: Convert to fraction form
    3,890,316/6,250,638 = 6,250,638/x
  3. Step 3: Cross multiply
    3,890,316x = 6,250,638 × 6,250,638
  4. Step 4: Simplify right side
    3,890,316x = 39,070,475,407,044
  5. Step 5: Solve for x
    x = 39,070,475,407,044/3,890,316
  6. Step 6: Final answer
    x = 10,043,008.18

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.