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Finding the Third Proportional to 58,336 and 128,336

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Solution

The third proportional to 58,336 and 128,336 is: 282,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,336 : 128,336 = 128,336 : x
  2. Step 2: Convert to fraction form
    58,336/128,336 = 128,336/x
  3. Step 3: Cross multiply
    58,336x = 128,336 × 128,336
  4. Step 4: Simplify right side
    58,336x = 16,470,128,896
  5. Step 5: Solve for x
    x = 16,470,128,896/58,336
  6. Step 6: Final answer
    x = 282,332.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.