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Finding the Third Proportional to 440,602 and 700,270

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Solution

The third proportional to 440,602 and 700,270 is: 1,112,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,602 : 700,270 = 700,270 : x
  2. Step 2: Convert to fraction form
    440,602/700,270 = 700,270/x
  3. Step 3: Cross multiply
    440,602x = 700,270 × 700,270
  4. Step 4: Simplify right side
    440,602x = 490,378,072,900
  5. Step 5: Solve for x
    x = 490,378,072,900/440,602
  6. Step 6: Final answer
    x = 1,112,972.87

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.