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Finding the Third Proportional to 623,476 and 1,340,190

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Solution

The third proportional to 623,476 and 1,340,190 is: 2,880,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,476 : 1,340,190 = 1,340,190 : x
  2. Step 2: Convert to fraction form
    623,476/1,340,190 = 1,340,190/x
  3. Step 3: Cross multiply
    623,476x = 1,340,190 × 1,340,190
  4. Step 4: Simplify right side
    623,476x = 1,796,109,236,100
  5. Step 5: Solve for x
    x = 1,796,109,236,100/623,476
  6. Step 6: Final answer
    x = 2,880,799.32

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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.