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Finding the Third Proportional to 762,317 and 1,629,646

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Solution

The third proportional to 762,317 and 1,629,646 is: 3,483,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,317 : 1,629,646 = 1,629,646 : x
  2. Step 2: Convert to fraction form
    762,317/1,629,646 = 1,629,646/x
  3. Step 3: Cross multiply
    762,317x = 1,629,646 × 1,629,646
  4. Step 4: Simplify right side
    762,317x = 2,655,746,085,316
  5. Step 5: Solve for x
    x = 2,655,746,085,316/762,317
  6. Step 6: Final answer
    x = 3,483,781.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.