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Finding the Third Proportional to 1,869,890 and 4,035,024

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Solution

The third proportional to 1,869,890 and 4,035,024 is: 8,707,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,890 : 4,035,024 = 4,035,024 : x
  2. Step 2: Convert to fraction form
    1,869,890/4,035,024 = 4,035,024/x
  3. Step 3: Cross multiply
    1,869,890x = 4,035,024 × 4,035,024
  4. Step 4: Simplify right side
    1,869,890x = 16,281,418,680,576
  5. Step 5: Solve for x
    x = 16,281,418,680,576/1,869,890
  6. Step 6: Final answer
    x = 8,707,153.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.