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Finding the Third Proportional to 1,890,080 and 4,042,432

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Solution

The third proportional to 1,890,080 and 4,042,432 is: 8,645,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,080 : 4,042,432 = 4,042,432 : x
  2. Step 2: Convert to fraction form
    1,890,080/4,042,432 = 4,042,432/x
  3. Step 3: Cross multiply
    1,890,080x = 4,042,432 × 4,042,432
  4. Step 4: Simplify right side
    1,890,080x = 16,341,256,474,624
  5. Step 5: Solve for x
    x = 16,341,256,474,624/1,890,080
  6. Step 6: Final answer
    x = 8,645,801.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.