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Finding the Third Proportional to 58,292 and 120,728

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Solution

The third proportional to 58,292 and 120,728 is: 250,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,292 : 120,728 = 120,728 : x
  2. Step 2: Convert to fraction form
    58,292/120,728 = 120,728/x
  3. Step 3: Cross multiply
    58,292x = 120,728 × 120,728
  4. Step 4: Simplify right side
    58,292x = 14,575,249,984
  5. Step 5: Solve for x
    x = 14,575,249,984/58,292
  6. Step 6: Final answer
    x = 250,038.60

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.