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Finding the Third Proportional to 163,869 and 249,224

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Solution

The third proportional to 163,869 and 249,224 is: 379,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,869 : 249,224 = 249,224 : x
  2. Step 2: Convert to fraction form
    163,869/249,224 = 249,224/x
  3. Step 3: Cross multiply
    163,869x = 249,224 × 249,224
  4. Step 4: Simplify right side
    163,869x = 62,112,602,176
  5. Step 5: Solve for x
    x = 62,112,602,176/163,869
  6. Step 6: Final answer
    x = 379,038.15

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.