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Finding the Third Proportional to 623,468 and 1,340,177

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Solution

The third proportional to 623,468 and 1,340,177 is: 2,880,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,468 : 1,340,177 = 1,340,177 : x
  2. Step 2: Convert to fraction form
    623,468/1,340,177 = 1,340,177/x
  3. Step 3: Cross multiply
    623,468x = 1,340,177 × 1,340,177
  4. Step 4: Simplify right side
    623,468x = 1,796,074,391,329
  5. Step 5: Solve for x
    x = 1,796,074,391,329/623,468
  6. Step 6: Final answer
    x = 2,880,780.40

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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.