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Finding the Third Proportional to 136,656 and 295,776

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Solution

The third proportional to 136,656 and 295,776 is: 640,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,656 : 295,776 = 295,776 : x
  2. Step 2: Convert to fraction form
    136,656/295,776 = 295,776/x
  3. Step 3: Cross multiply
    136,656x = 295,776 × 295,776
  4. Step 4: Simplify right side
    136,656x = 87,483,442,176
  5. Step 5: Solve for x
    x = 87,483,442,176/136,656
  6. Step 6: Final answer
    x = 640,172.71

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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.