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Finding the Third Proportional to 900,411 and 2,125,455

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Solution

The third proportional to 900,411 and 2,125,455 is: 5,017,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,411 : 2,125,455 = 2,125,455 : x
  2. Step 2: Convert to fraction form
    900,411/2,125,455 = 2,125,455/x
  3. Step 3: Cross multiply
    900,411x = 2,125,455 × 2,125,455
  4. Step 4: Simplify right side
    900,411x = 4,517,558,957,025
  5. Step 5: Solve for x
    x = 4,517,558,957,025/900,411
  6. Step 6: Final answer
    x = 5,017,218.76

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.