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Finding the Third Proportional to 115,418 and 249,252

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Solution

The third proportional to 115,418 and 249,252 is: 538,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,418 : 249,252 = 249,252 : x
  2. Step 2: Convert to fraction form
    115,418/249,252 = 249,252/x
  3. Step 3: Cross multiply
    115,418x = 249,252 × 249,252
  4. Step 4: Simplify right side
    115,418x = 62,126,559,504
  5. Step 5: Solve for x
    x = 62,126,559,504/115,418
  6. Step 6: Final answer
    x = 538,274.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.