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Finding the Third Proportional to 355,288 and 761,224

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Solution

The third proportional to 355,288 and 761,224 is: 1,630,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,288 : 761,224 = 761,224 : x
  2. Step 2: Convert to fraction form
    355,288/761,224 = 761,224/x
  3. Step 3: Cross multiply
    355,288x = 761,224 × 761,224
  4. Step 4: Simplify right side
    355,288x = 579,461,978,176
  5. Step 5: Solve for x
    x = 579,461,978,176/355,288
  6. Step 6: Final answer
    x = 1,630,964.11

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.