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Finding the Third Proportional to 48,700.13 and 77,800.50

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Solution

The third proportional to 48,700.13 and 77,800.50 is: 124,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.13 : 77,800.50 = 77,800.50 : x
  2. Step 2: Convert to fraction form
    48,700.13/77,800.50 = 77,800.50/x
  3. Step 3: Cross multiply
    48,700.13x = 77,800.50 × 77,800.50
  4. Step 4: Simplify right side
    48,700.13x = 6,052,917,800.25
  5. Step 5: Solve for x
    x = 6,052,917,800.25/48,700.13
  6. Step 6: Final answer
    x = 124,289.57

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.