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Finding the Third Proportional to 344,968 and 742,396

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Solution

The third proportional to 344,968 and 742,396 is: 1,597,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,968 : 742,396 = 742,396 : x
  2. Step 2: Convert to fraction form
    344,968/742,396 = 742,396/x
  3. Step 3: Cross multiply
    344,968x = 742,396 × 742,396
  4. Step 4: Simplify right side
    344,968x = 551,151,820,816
  5. Step 5: Solve for x
    x = 551,151,820,816/344,968
  6. Step 6: Final answer
    x = 1,597,689.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.