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Finding the Third Proportional to 9,635,974.50 and 20,859,688.50

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Solution

The third proportional to 9,635,974.50 and 20,859,688.50 is: 45,156,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635,974.50 : 20,859,688.50 = 20,859,688.50 : x
  2. Step 2: Convert to fraction form
    9,635,974.50/20,859,688.50 = 20,859,688.50/x
  3. Step 3: Cross multiply
    9,635,974.50x = 20,859,688.50 × 20,859,688.50
  4. Step 4: Simplify right side
    9,635,974.50x = 435,126,604,317,032.25
  5. Step 5: Solve for x
    x = 435,126,604,317,032.25/9,635,974.50
  6. Step 6: Final answer
    x = 45,156,471.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.