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Finding the Third Proportional to 258,511 and 546,828.50

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Solution

The third proportional to 258,511 and 546,828.50 is: 1,156,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,511 : 546,828.50 = 546,828.50 : x
  2. Step 2: Convert to fraction form
    258,511/546,828.50 = 546,828.50/x
  3. Step 3: Cross multiply
    258,511x = 546,828.50 × 546,828.50
  4. Step 4: Simplify right side
    258,511x = 299,021,408,412.25
  5. Step 5: Solve for x
    x = 299,021,408,412.25/258,511
  6. Step 6: Final answer
    x = 1,156,706.71

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.