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Finding the Third Proportional to 928,392 and 1,252,620

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Solution

The third proportional to 928,392 and 1,252,620 is: 1,690,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,392 : 1,252,620 = 1,252,620 : x
  2. Step 2: Convert to fraction form
    928,392/1,252,620 = 1,252,620/x
  3. Step 3: Cross multiply
    928,392x = 1,252,620 × 1,252,620
  4. Step 4: Simplify right side
    928,392x = 1,569,056,864,400
  5. Step 5: Solve for x
    x = 1,569,056,864,400/928,392
  6. Step 6: Final answer
    x = 1,690,080.12

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.