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Finding the Third Proportional to 469,428 and 1,013,684

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Solution

The third proportional to 469,428 and 1,013,684 is: 2,188,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,428 : 1,013,684 = 1,013,684 : x
  2. Step 2: Convert to fraction form
    469,428/1,013,684 = 1,013,684/x
  3. Step 3: Cross multiply
    469,428x = 1,013,684 × 1,013,684
  4. Step 4: Simplify right side
    469,428x = 1,027,555,251,856
  5. Step 5: Solve for x
    x = 1,027,555,251,856/469,428
  6. Step 6: Final answer
    x = 2,188,951.77

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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.