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Finding the Third Proportional to 818,387.50 and 1,929,167

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Solution

The third proportional to 818,387.50 and 1,929,167 is: 4,547,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,387.50 : 1,929,167 = 1,929,167 : x
  2. Step 2: Convert to fraction form
    818,387.50/1,929,167 = 1,929,167/x
  3. Step 3: Cross multiply
    818,387.50x = 1,929,167 × 1,929,167
  4. Step 4: Simplify right side
    818,387.50x = 3,721,685,313,889
  5. Step 5: Solve for x
    x = 3,721,685,313,889/818,387.50
  6. Step 6: Final answer
    x = 4,547,583.28

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.