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Finding the Third Proportional to 338,646 and 723,948

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Solution

The third proportional to 338,646 and 723,948 is: 1,547,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,646 : 723,948 = 723,948 : x
  2. Step 2: Convert to fraction form
    338,646/723,948 = 723,948/x
  3. Step 3: Cross multiply
    338,646x = 723,948 × 723,948
  4. Step 4: Simplify right side
    338,646x = 524,100,706,704
  5. Step 5: Solve for x
    x = 524,100,706,704/338,646
  6. Step 6: Final answer
    x = 1,547,635.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.