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Finding the Third Proportional to 314,598 and 684,484

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Solution

The third proportional to 314,598 and 684,484 is: 1,489,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,598 : 684,484 = 684,484 : x
  2. Step 2: Convert to fraction form
    314,598/684,484 = 684,484/x
  3. Step 3: Cross multiply
    314,598x = 684,484 × 684,484
  4. Step 4: Simplify right side
    314,598x = 468,518,346,256
  5. Step 5: Solve for x
    x = 468,518,346,256/314,598
  6. Step 6: Final answer
    x = 1,489,260.41

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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.