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Finding the Third Proportional to 347,188 and 761,080

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Solution

The third proportional to 347,188 and 761,080 is: 1,668,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,188 : 761,080 = 761,080 : x
  2. Step 2: Convert to fraction form
    347,188/761,080 = 761,080/x
  3. Step 3: Cross multiply
    347,188x = 761,080 × 761,080
  4. Step 4: Simplify right side
    347,188x = 579,242,766,400
  5. Step 5: Solve for x
    x = 579,242,766,400/347,188
  6. Step 6: Final answer
    x = 1,668,383.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.