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Finding the Third Proportional to 163,377 and 249,872

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Solution

The third proportional to 163,377 and 249,872 is: 382,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,377 : 249,872 = 249,872 : x
  2. Step 2: Convert to fraction form
    163,377/249,872 = 249,872/x
  3. Step 3: Cross multiply
    163,377x = 249,872 × 249,872
  4. Step 4: Simplify right side
    163,377x = 62,436,016,384
  5. Step 5: Solve for x
    x = 62,436,016,384/163,377
  6. Step 6: Final answer
    x = 382,159.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.