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Finding the Third Proportional to 56,335 and 122,402

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Solution

The third proportional to 56,335 and 122,402 is: 265,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335 : 122,402 = 122,402 : x
  2. Step 2: Convert to fraction form
    56,335/122,402 = 122,402/x
  3. Step 3: Cross multiply
    56,335x = 122,402 × 122,402
  4. Step 4: Simplify right side
    56,335x = 14,982,249,604
  5. Step 5: Solve for x
    x = 14,982,249,604/56,335
  6. Step 6: Final answer
    x = 265,949.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.