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Finding the Third Proportional to 676,584 and 1,455,228

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Solution

The third proportional to 676,584 and 1,455,228 is: 3,129,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,584 : 1,455,228 = 1,455,228 : x
  2. Step 2: Convert to fraction form
    676,584/1,455,228 = 1,455,228/x
  3. Step 3: Cross multiply
    676,584x = 1,455,228 × 1,455,228
  4. Step 4: Simplify right side
    676,584x = 2,117,688,531,984
  5. Step 5: Solve for x
    x = 2,117,688,531,984/676,584
  6. Step 6: Final answer
    x = 3,129,971.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.