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Finding the Third Proportional to 922.64 and 1,401.05

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Solution

The third proportional to 922.64 and 1,401.05 is: 2,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.64 : 1,401.05 = 1,401.05 : x
  2. Step 2: Convert to fraction form
    922.64/1,401.05 = 1,401.05/x
  3. Step 3: Cross multiply
    922.64x = 1,401.05 × 1,401.05
  4. Step 4: Simplify right side
    922.64x = 1,962,932.35
  5. Step 5: Solve for x
    x = 1,962,932.35/922.64
  6. Step 6: Final answer
    x = 2,127.52

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.