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Finding the Third Proportional to 918,031.50 and 1,999,377

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Solution

The third proportional to 918,031.50 and 1,999,377 is: 4,354,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,031.50 : 1,999,377 = 1,999,377 : x
  2. Step 2: Convert to fraction form
    918,031.50/1,999,377 = 1,999,377/x
  3. Step 3: Cross multiply
    918,031.50x = 1,999,377 × 1,999,377
  4. Step 4: Simplify right side
    918,031.50x = 3,997,508,388,129
  5. Step 5: Solve for x
    x = 3,997,508,388,129/918,031.50
  6. Step 6: Final answer
    x = 4,354,434.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.