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Finding the Third Proportional to 858,122 and 1,165,440.50

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Solution

The third proportional to 858,122 and 1,165,440.50 is: 1,582,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,122 : 1,165,440.50 = 1,165,440.50 : x
  2. Step 2: Convert to fraction form
    858,122/1,165,440.50 = 1,165,440.50/x
  3. Step 3: Cross multiply
    858,122x = 1,165,440.50 × 1,165,440.50
  4. Step 4: Simplify right side
    858,122x = 1,358,251,559,040.25
  5. Step 5: Solve for x
    x = 1,358,251,559,040.25/858,122
  6. Step 6: Final answer
    x = 1,582,818.71

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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.