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Finding the Third Proportional to 169,432 and 249,220

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Solution

The third proportional to 169,432 and 249,220 is: 366,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,432 : 249,220 = 249,220 : x
  2. Step 2: Convert to fraction form
    169,432/249,220 = 249,220/x
  3. Step 3: Cross multiply
    169,432x = 249,220 × 249,220
  4. Step 4: Simplify right side
    169,432x = 62,110,608,400
  5. Step 5: Solve for x
    x = 62,110,608,400/169,432
  6. Step 6: Final answer
    x = 366,581.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.