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Finding the Third Proportional to 714,272 and 970,072

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Solution

The third proportional to 714,272 and 970,072 is: 1,317,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,272 : 970,072 = 970,072 : x
  2. Step 2: Convert to fraction form
    714,272/970,072 = 970,072/x
  3. Step 3: Cross multiply
    714,272x = 970,072 × 970,072
  4. Step 4: Simplify right side
    714,272x = 941,039,685,184
  5. Step 5: Solve for x
    x = 941,039,685,184/714,272
  6. Step 6: Final answer
    x = 1,317,480.85

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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.