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Finding the Third Proportional to 130,805 and 282,516

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Solution

The third proportional to 130,805 and 282,516 is: 610,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,805 : 282,516 = 282,516 : x
  2. Step 2: Convert to fraction form
    130,805/282,516 = 282,516/x
  3. Step 3: Cross multiply
    130,805x = 282,516 × 282,516
  4. Step 4: Simplify right side
    130,805x = 79,815,290,256
  5. Step 5: Solve for x
    x = 79,815,290,256/130,805
  6. Step 6: Final answer
    x = 610,185.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.