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Finding the Third Proportional to 63,853,294 and 139,631,480

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Solution

The third proportional to 63,853,294 and 139,631,480 is: 305,339,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,853,294 : 139,631,480 = 139,631,480 : x
  2. Step 2: Convert to fraction form
    63,853,294/139,631,480 = 139,631,480/x
  3. Step 3: Cross multiply
    63,853,294x = 139,631,480 × 139,631,480
  4. Step 4: Simplify right side
    63,853,294x = 19,496,950,206,990,400
  5. Step 5: Solve for x
    x = 19,496,950,206,990,400/63,853,294
  6. Step 6: Final answer
    x = 305,339,771.62

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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.