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Finding the Third Proportional to 1,930,348.50 and 4,159,890

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Solution

The third proportional to 1,930,348.50 and 4,159,890 is: 8,964,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,348.50 : 4,159,890 = 4,159,890 : x
  2. Step 2: Convert to fraction form
    1,930,348.50/4,159,890 = 4,159,890/x
  3. Step 3: Cross multiply
    1,930,348.50x = 4,159,890 × 4,159,890
  4. Step 4: Simplify right side
    1,930,348.50x = 17,304,684,812,100
  5. Step 5: Solve for x
    x = 17,304,684,812,100/1,930,348.50
  6. Step 6: Final answer
    x = 8,964,539.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.