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Finding the Third Proportional to 292,411 and 628,334.50

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Solution

The third proportional to 292,411 and 628,334.50 is: 1,350,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,411 : 628,334.50 = 628,334.50 : x
  2. Step 2: Convert to fraction form
    292,411/628,334.50 = 628,334.50/x
  3. Step 3: Cross multiply
    292,411x = 628,334.50 × 628,334.50
  4. Step 4: Simplify right side
    292,411x = 394,804,243,890.25
  5. Step 5: Solve for x
    x = 394,804,243,890.25/292,411
  6. Step 6: Final answer
    x = 1,350,168.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.