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Finding the Third Proportional to 117,637.50 and 277,659

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Solution

The third proportional to 117,637.50 and 277,659 is: 655,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,637.50 : 277,659 = 277,659 : x
  2. Step 2: Convert to fraction form
    117,637.50/277,659 = 277,659/x
  3. Step 3: Cross multiply
    117,637.50x = 277,659 × 277,659
  4. Step 4: Simplify right side
    117,637.50x = 77,094,520,281
  5. Step 5: Solve for x
    x = 77,094,520,281/117,637.50
  6. Step 6: Final answer
    x = 655,356.67

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.