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Finding the Third Proportional to 712,035 and 1,102,145

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Solution

The third proportional to 712,035 and 1,102,145 is: 1,705,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,035 : 1,102,145 = 1,102,145 : x
  2. Step 2: Convert to fraction form
    712,035/1,102,145 = 1,102,145/x
  3. Step 3: Cross multiply
    712,035x = 1,102,145 × 1,102,145
  4. Step 4: Simplify right side
    712,035x = 1,214,723,601,025
  5. Step 5: Solve for x
    x = 1,214,723,601,025/712,035
  6. Step 6: Final answer
    x = 1,705,988.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.