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Finding the Third Proportional to 243,348 and 524,137.50

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Solution

The third proportional to 243,348 and 524,137.50 is: 1,128,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,348 : 524,137.50 = 524,137.50 : x
  2. Step 2: Convert to fraction form
    243,348/524,137.50 = 524,137.50/x
  3. Step 3: Cross multiply
    243,348x = 524,137.50 × 524,137.50
  4. Step 4: Simplify right side
    243,348x = 274,720,118,906.25
  5. Step 5: Solve for x
    x = 274,720,118,906.25/243,348
  6. Step 6: Final answer
    x = 1,128,918.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.