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Finding the Third Proportional to 2,020,423.50 and 3,136,890

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Solution

The third proportional to 2,020,423.50 and 3,136,890 is: 4,870,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,423.50 : 3,136,890 = 3,136,890 : x
  2. Step 2: Convert to fraction form
    2,020,423.50/3,136,890 = 3,136,890/x
  3. Step 3: Cross multiply
    2,020,423.50x = 3,136,890 × 3,136,890
  4. Step 4: Simplify right side
    2,020,423.50x = 9,840,078,872,100
  5. Step 5: Solve for x
    x = 9,840,078,872,100/2,020,423.50
  6. Step 6: Final answer
    x = 4,870,305.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.