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Finding the Third Proportional to 711,245 and 1,039,865

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Solution

The third proportional to 711,245 and 1,039,865 is: 1,520,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,245 : 1,039,865 = 1,039,865 : x
  2. Step 2: Convert to fraction form
    711,245/1,039,865 = 1,039,865/x
  3. Step 3: Cross multiply
    711,245x = 1,039,865 × 1,039,865
  4. Step 4: Simplify right side
    711,245x = 1,081,319,218,225
  5. Step 5: Solve for x
    x = 1,081,319,218,225/711,245
  6. Step 6: Final answer
    x = 1,520,318.90

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.