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Finding the Third Proportional to 821,748 and 1,234,560

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Solution

The third proportional to 821,748 and 1,234,560 is: 1,854,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,748 : 1,234,560 = 1,234,560 : x
  2. Step 2: Convert to fraction form
    821,748/1,234,560 = 1,234,560/x
  3. Step 3: Cross multiply
    821,748x = 1,234,560 × 1,234,560
  4. Step 4: Simplify right side
    821,748x = 1,524,138,393,600
  5. Step 5: Solve for x
    x = 1,524,138,393,600/821,748
  6. Step 6: Final answer
    x = 1,854,751.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.