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Finding the Third Proportional to 471,382 and 1,017,458

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Solution

The third proportional to 471,382 and 1,017,458 is: 2,196,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,382 : 1,017,458 = 1,017,458 : x
  2. Step 2: Convert to fraction form
    471,382/1,017,458 = 1,017,458/x
  3. Step 3: Cross multiply
    471,382x = 1,017,458 × 1,017,458
  4. Step 4: Simplify right side
    471,382x = 1,035,220,781,764
  5. Step 5: Solve for x
    x = 1,035,220,781,764/471,382
  6. Step 6: Final answer
    x = 2,196,139.82

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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.