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Finding the Third Proportional to 714,340 and 972,798

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Solution

The third proportional to 714,340 and 972,798 is: 1,324,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,340 : 972,798 = 972,798 : x
  2. Step 2: Convert to fraction form
    714,340/972,798 = 972,798/x
  3. Step 3: Cross multiply
    714,340x = 972,798 × 972,798
  4. Step 4: Simplify right side
    714,340x = 946,335,948,804
  5. Step 5: Solve for x
    x = 946,335,948,804/714,340
  6. Step 6: Final answer
    x = 1,324,769.65

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.