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Finding the Third Proportional to 395,292 and 869,310

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Solution

The third proportional to 395,292 and 869,310 is: 1,911,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,292 : 869,310 = 869,310 : x
  2. Step 2: Convert to fraction form
    395,292/869,310 = 869,310/x
  3. Step 3: Cross multiply
    395,292x = 869,310 × 869,310
  4. Step 4: Simplify right side
    395,292x = 755,699,876,100
  5. Step 5: Solve for x
    x = 755,699,876,100/395,292
  6. Step 6: Final answer
    x = 1,911,751.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.