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Finding the Third Proportional to 625,513 and 1,365,723

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Solution

The third proportional to 625,513 and 1,365,723 is: 2,981,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,513 : 1,365,723 = 1,365,723 : x
  2. Step 2: Convert to fraction form
    625,513/1,365,723 = 1,365,723/x
  3. Step 3: Cross multiply
    625,513x = 1,365,723 × 1,365,723
  4. Step 4: Simplify right side
    625,513x = 1,865,199,312,729
  5. Step 5: Solve for x
    x = 1,865,199,312,729/625,513
  6. Step 6: Final answer
    x = 2,981,871.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.