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Finding the Third Proportional to 720,521 and 1,552,379

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Solution

The third proportional to 720,521 and 1,552,379 is: 3,344,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,521 : 1,552,379 = 1,552,379 : x
  2. Step 2: Convert to fraction form
    720,521/1,552,379 = 1,552,379/x
  3. Step 3: Cross multiply
    720,521x = 1,552,379 × 1,552,379
  4. Step 4: Simplify right side
    720,521x = 2,409,880,559,641
  5. Step 5: Solve for x
    x = 2,409,880,559,641/720,521
  6. Step 6: Final answer
    x = 3,344,636.12

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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.