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Finding the Third Proportional to 615,132 and 1,331,322

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Solution

The third proportional to 615,132 and 1,331,322 is: 2,881,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,132 : 1,331,322 = 1,331,322 : x
  2. Step 2: Convert to fraction form
    615,132/1,331,322 = 1,331,322/x
  3. Step 3: Cross multiply
    615,132x = 1,331,322 × 1,331,322
  4. Step 4: Simplify right side
    615,132x = 1,772,418,267,684
  5. Step 5: Solve for x
    x = 1,772,418,267,684/615,132
  6. Step 6: Final answer
    x = 2,881,362.48

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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.