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Finding the Third Proportional to 249,939 and 366,009.50

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Solution

The third proportional to 249,939 and 366,009.50 is: 535,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,939 : 366,009.50 = 366,009.50 : x
  2. Step 2: Convert to fraction form
    249,939/366,009.50 = 366,009.50/x
  3. Step 3: Cross multiply
    249,939x = 366,009.50 × 366,009.50
  4. Step 4: Simplify right side
    249,939x = 133,962,954,090.25
  5. Step 5: Solve for x
    x = 133,962,954,090.25/249,939
  6. Step 6: Final answer
    x = 535,982.60

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.