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Finding the Third Proportional to 395,523 and 628,852.50

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Solution

The third proportional to 395,523 and 628,852.50 is: 999,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,523 : 628,852.50 = 628,852.50 : x
  2. Step 2: Convert to fraction form
    395,523/628,852.50 = 628,852.50/x
  3. Step 3: Cross multiply
    395,523x = 628,852.50 × 628,852.50
  4. Step 4: Simplify right side
    395,523x = 395,455,466,756.25
  5. Step 5: Solve for x
    x = 395,455,466,756.25/395,523
  6. Step 6: Final answer
    x = 999,829.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.