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Finding the Third Proportional to 130,491 and 278,072.25

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Solution

The third proportional to 130,491 and 278,072.25 is: 592,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,491 : 278,072.25 = 278,072.25 : x
  2. Step 2: Convert to fraction form
    130,491/278,072.25 = 278,072.25/x
  3. Step 3: Cross multiply
    130,491x = 278,072.25 × 278,072.25
  4. Step 4: Simplify right side
    130,491x = 77,324,176,220.06
  5. Step 5: Solve for x
    x = 77,324,176,220.06/130,491
  6. Step 6: Final answer
    x = 592,563.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.