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Finding the Third Proportional to 631,402.17 and 1,122,555.38

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Solution

The third proportional to 631,402.17 and 1,122,555.38 is: 1,995,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,402.17 : 1,122,555.38 = 1,122,555.38 : x
  2. Step 2: Convert to fraction form
    631,402.17/1,122,555.38 = 1,122,555.38/x
  3. Step 3: Cross multiply
    631,402.17x = 1,122,555.38 × 1,122,555.38
  4. Step 4: Simplify right side
    631,402.17x = 1,260,130,569,941.39
  5. Step 5: Solve for x
    x = 1,260,130,569,941.39/631,402.17
  6. Step 6: Final answer
    x = 1,995,765.34

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.