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Finding the Third Proportional to 169,560 and 358,020

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Solution

The third proportional to 169,560 and 358,020 is: 755,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,560 : 358,020 = 358,020 : x
  2. Step 2: Convert to fraction form
    169,560/358,020 = 358,020/x
  3. Step 3: Cross multiply
    169,560x = 358,020 × 358,020
  4. Step 4: Simplify right side
    169,560x = 128,178,320,400
  5. Step 5: Solve for x
    x = 128,178,320,400/169,560
  6. Step 6: Final answer
    x = 755,946.69

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.