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Finding the Third Proportional to 58,705.03 and 128,486.81

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Solution

The third proportional to 58,705.03 and 128,486.81 is: 281,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705.03 : 128,486.81 = 128,486.81 : x
  2. Step 2: Convert to fraction form
    58,705.03/128,486.81 = 128,486.81/x
  3. Step 3: Cross multiply
    58,705.03x = 128,486.81 × 128,486.81
  4. Step 4: Simplify right side
    58,705.03x = 16,508,860,986.41
  5. Step 5: Solve for x
    x = 16,508,860,986.41/58,705.03
  6. Step 6: Final answer
    x = 281,217.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.