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Finding the Third Proportional to 58,770 and 130,620

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Solution

The third proportional to 58,770 and 130,620 is: 290,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,770 : 130,620 = 130,620 : x
  2. Step 2: Convert to fraction form
    58,770/130,620 = 130,620/x
  3. Step 3: Cross multiply
    58,770x = 130,620 × 130,620
  4. Step 4: Simplify right side
    58,770x = 17,061,584,400
  5. Step 5: Solve for x
    x = 17,061,584,400/58,770
  6. Step 6: Final answer
    x = 290,311.12

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.