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Finding the Third Proportional to 644,594 and 1,403,880

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Solution

The third proportional to 644,594 and 1,403,880 is: 3,057,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,594 : 1,403,880 = 1,403,880 : x
  2. Step 2: Convert to fraction form
    644,594/1,403,880 = 1,403,880/x
  3. Step 3: Cross multiply
    644,594x = 1,403,880 × 1,403,880
  4. Step 4: Simplify right side
    644,594x = 1,970,879,054,400
  5. Step 5: Solve for x
    x = 1,970,879,054,400/644,594
  6. Step 6: Final answer
    x = 3,057,551.04

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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.