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Finding the Third Proportional to 369,212.50 and 527,968.50

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Solution

The third proportional to 369,212.50 and 527,968.50 is: 754,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,212.50 : 527,968.50 = 527,968.50 : x
  2. Step 2: Convert to fraction form
    369,212.50/527,968.50 = 527,968.50/x
  3. Step 3: Cross multiply
    369,212.50x = 527,968.50 × 527,968.50
  4. Step 4: Simplify right side
    369,212.50x = 278,750,736,992.25
  5. Step 5: Solve for x
    x = 278,750,736,992.25/369,212.50
  6. Step 6: Final answer
    x = 754,987.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.