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Finding the Third Proportional to 117,036 and 170,820

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Solution

The third proportional to 117,036 and 170,820 is: 249,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,036 : 170,820 = 170,820 : x
  2. Step 2: Convert to fraction form
    117,036/170,820 = 170,820/x
  3. Step 3: Cross multiply
    117,036x = 170,820 × 170,820
  4. Step 4: Simplify right side
    117,036x = 29,179,472,400
  5. Step 5: Solve for x
    x = 29,179,472,400/117,036
  6. Step 6: Final answer
    x = 249,320.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.