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Finding the Third Proportional to 986,929.50 and 2,152,341.75

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Solution

The third proportional to 986,929.50 and 2,152,341.75 is: 4,693,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,929.50 : 2,152,341.75 = 2,152,341.75 : x
  2. Step 2: Convert to fraction form
    986,929.50/2,152,341.75 = 2,152,341.75/x
  3. Step 3: Cross multiply
    986,929.50x = 2,152,341.75 × 2,152,341.75
  4. Step 4: Simplify right side
    986,929.50x = 4,632,575,008,793.06
  5. Step 5: Solve for x
    x = 4,632,575,008,793.06/986,929.50
  6. Step 6: Final answer
    x = 4,693,926.98

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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.