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Finding the Third Proportional to 63,687,763.69 and 139,299,711.19

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Solution

The third proportional to 63,687,763.69 and 139,299,711.19 is: 304,680,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687,763.69 : 139,299,711.19 = 139,299,711.19 : x
  2. Step 2: Convert to fraction form
    63,687,763.69/139,299,711.19 = 139,299,711.19/x
  3. Step 3: Cross multiply
    63,687,763.69x = 139,299,711.19 × 139,299,711.19
  4. Step 4: Simplify right side
    63,687,763.69x = 19,404,409,536,920,912
  5. Step 5: Solve for x
    x = 19,404,409,536,920,912/63,687,763.69
  6. Step 6: Final answer
    x = 304,680,340.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.