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Finding the Third Proportional to 58,914 and 121,230

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Solution

The third proportional to 58,914 and 121,230 is: 249,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,914 : 121,230 = 121,230 : x
  2. Step 2: Convert to fraction form
    58,914/121,230 = 121,230/x
  3. Step 3: Cross multiply
    58,914x = 121,230 × 121,230
  4. Step 4: Simplify right side
    58,914x = 14,696,712,900
  5. Step 5: Solve for x
    x = 14,696,712,900/58,914
  6. Step 6: Final answer
    x = 249,460.45

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.