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Finding the Third Proportional to 5,223,781.50 and 10,976,331

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Solution

The third proportional to 5,223,781.50 and 10,976,331 is: 23,063,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,781.50 : 10,976,331 = 10,976,331 : x
  2. Step 2: Convert to fraction form
    5,223,781.50/10,976,331 = 10,976,331/x
  3. Step 3: Cross multiply
    5,223,781.50x = 10,976,331 × 10,976,331
  4. Step 4: Simplify right side
    5,223,781.50x = 120,479,842,221,561
  5. Step 5: Solve for x
    x = 120,479,842,221,561/5,223,781.50
  6. Step 6: Final answer
    x = 23,063,721.60

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.