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Finding the Third Proportional to 925,630 and 1,398,312

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Solution

The third proportional to 925,630 and 1,398,312 is: 2,112,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,630 : 1,398,312 = 1,398,312 : x
  2. Step 2: Convert to fraction form
    925,630/1,398,312 = 1,398,312/x
  3. Step 3: Cross multiply
    925,630x = 1,398,312 × 1,398,312
  4. Step 4: Simplify right side
    925,630x = 1,955,276,449,344
  5. Step 5: Solve for x
    x = 1,955,276,449,344/925,630
  6. Step 6: Final answer
    x = 2,112,373.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.