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Finding the Third Proportional to 623,712 and 1,312,626

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Solution

The third proportional to 623,712 and 1,312,626 is: 2,762,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,712 : 1,312,626 = 1,312,626 : x
  2. Step 2: Convert to fraction form
    623,712/1,312,626 = 1,312,626/x
  3. Step 3: Cross multiply
    623,712x = 1,312,626 × 1,312,626
  4. Step 4: Simplify right side
    623,712x = 1,722,987,015,876
  5. Step 5: Solve for x
    x = 1,722,987,015,876/623,712
  6. Step 6: Final answer
    x = 2,762,472.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.