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Finding the Third Proportional to 156,750 and 249,109

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Solution

The third proportional to 156,750 and 249,109 is: 395,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,750 : 249,109 = 249,109 : x
  2. Step 2: Convert to fraction form
    156,750/249,109 = 249,109/x
  3. Step 3: Cross multiply
    156,750x = 249,109 × 249,109
  4. Step 4: Simplify right side
    156,750x = 62,055,293,881
  5. Step 5: Solve for x
    x = 62,055,293,881/156,750
  6. Step 6: Final answer
    x = 395,887.04

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.