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Finding the Third Proportional to 59,572.41 and 128,297.81

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Solution

The third proportional to 59,572.41 and 128,297.81 is: 276,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,572.41 : 128,297.81 = 128,297.81 : x
  2. Step 2: Convert to fraction form
    59,572.41/128,297.81 = 128,297.81/x
  3. Step 3: Cross multiply
    59,572.41x = 128,297.81 × 128,297.81
  4. Step 4: Simplify right side
    59,572.41x = 16,460,328,692.29
  5. Step 5: Solve for x
    x = 16,460,328,692.29/59,572.41
  6. Step 6: Final answer
    x = 276,307.94

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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.