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Finding the Third Proportional to 1,890,395 and 4,148,206

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Solution

The third proportional to 1,890,395 and 4,148,206 is: 9,102,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,395 : 4,148,206 = 4,148,206 : x
  2. Step 2: Convert to fraction form
    1,890,395/4,148,206 = 4,148,206/x
  3. Step 3: Cross multiply
    1,890,395x = 4,148,206 × 4,148,206
  4. Step 4: Simplify right side
    1,890,395x = 17,207,613,018,436
  5. Step 5: Solve for x
    x = 17,207,613,018,436/1,890,395
  6. Step 6: Final answer
    x = 9,102,654.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.