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Finding the Third Proportional to 417,006 and 910,488

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Solution

The third proportional to 417,006 and 910,488 is: 1,987,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,006 : 910,488 = 910,488 : x
  2. Step 2: Convert to fraction form
    417,006/910,488 = 910,488/x
  3. Step 3: Cross multiply
    417,006x = 910,488 × 910,488
  4. Step 4: Simplify right side
    417,006x = 828,988,398,144
  5. Step 5: Solve for x
    x = 828,988,398,144/417,006
  6. Step 6: Final answer
    x = 1,987,953.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.