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Finding the Third Proportional to 249,669 and 519,723

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Solution

The third proportional to 249,669 and 519,723 is: 1,081,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,669 : 519,723 = 519,723 : x
  2. Step 2: Convert to fraction form
    249,669/519,723 = 519,723/x
  3. Step 3: Cross multiply
    249,669x = 519,723 × 519,723
  4. Step 4: Simplify right side
    249,669x = 270,111,996,729
  5. Step 5: Solve for x
    x = 270,111,996,729/249,669
  6. Step 6: Final answer
    x = 1,081,880.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.