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Finding the Third Proportional to 249,178 and 376,740

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Solution

The third proportional to 249,178 and 376,740 is: 569,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,178 : 376,740 = 376,740 : x
  2. Step 2: Convert to fraction form
    249,178/376,740 = 376,740/x
  3. Step 3: Cross multiply
    249,178x = 376,740 × 376,740
  4. Step 4: Simplify right side
    249,178x = 141,933,027,600
  5. Step 5: Solve for x
    x = 141,933,027,600/249,178
  6. Step 6: Final answer
    x = 569,604.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.