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Finding the Third Proportional to 342,807 and 744,582

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Solution

The third proportional to 342,807 and 744,582 is: 1,617,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,807 : 744,582 = 744,582 : x
  2. Step 2: Convert to fraction form
    342,807/744,582 = 744,582/x
  3. Step 3: Cross multiply
    342,807x = 744,582 × 744,582
  4. Step 4: Simplify right side
    342,807x = 554,402,354,724
  5. Step 5: Solve for x
    x = 554,402,354,724/342,807
  6. Step 6: Final answer
    x = 1,617,243.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.