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Finding the Third Proportional to 324,944 and 712,658

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Solution

The third proportional to 324,944 and 712,658 is: 1,562,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,944 : 712,658 = 712,658 : x
  2. Step 2: Convert to fraction form
    324,944/712,658 = 712,658/x
  3. Step 3: Cross multiply
    324,944x = 712,658 × 712,658
  4. Step 4: Simplify right side
    324,944x = 507,881,424,964
  5. Step 5: Solve for x
    x = 507,881,424,964/324,944
  6. Step 6: Final answer
    x = 1,562,981.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.