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Finding the Third Proportional to 346,412 and 551,632

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Solution

The third proportional to 346,412 and 551,632 is: 878,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,412 : 551,632 = 551,632 : x
  2. Step 2: Convert to fraction form
    346,412/551,632 = 551,632/x
  3. Step 3: Cross multiply
    346,412x = 551,632 × 551,632
  4. Step 4: Simplify right side
    346,412x = 304,297,863,424
  5. Step 5: Solve for x
    x = 304,297,863,424/346,412
  6. Step 6: Final answer
    x = 878,427.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.