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Finding the Third Proportional to 249,674 and 353,281.25

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Solution

The third proportional to 249,674 and 353,281.25 is: 499,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,674 : 353,281.25 = 353,281.25 : x
  2. Step 2: Convert to fraction form
    249,674/353,281.25 = 353,281.25/x
  3. Step 3: Cross multiply
    249,674x = 353,281.25 × 353,281.25
  4. Step 4: Simplify right side
    249,674x = 124,807,641,601.56
  5. Step 5: Solve for x
    x = 124,807,641,601.56/249,674
  6. Step 6: Final answer
    x = 499,882.41

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.