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Finding the Third Proportional to 50,201 and 77,730

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Solution

The third proportional to 50,201 and 77,730 is: 120,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,201 : 77,730 = 77,730 : x
  2. Step 2: Convert to fraction form
    50,201/77,730 = 77,730/x
  3. Step 3: Cross multiply
    50,201x = 77,730 × 77,730
  4. Step 4: Simplify right side
    50,201x = 6,041,952,900
  5. Step 5: Solve for x
    x = 6,041,952,900/50,201
  6. Step 6: Final answer
    x = 120,355.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.