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Finding the Third Proportional to 90,950,308.88 and 139,798,627.88

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Solution

The third proportional to 90,950,308.88 and 139,798,627.88 is: 214,882,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,950,308.88 : 139,798,627.88 = 139,798,627.88 : x
  2. Step 2: Convert to fraction form
    90,950,308.88/139,798,627.88 = 139,798,627.88/x
  3. Step 3: Cross multiply
    90,950,308.88x = 139,798,627.88 × 139,798,627.88
  4. Step 4: Simplify right side
    90,950,308.88x = 19,543,656,355,732,728
  5. Step 5: Solve for x
    x = 19,543,656,355,732,728/90,950,308.88
  6. Step 6: Final answer
    x = 214,882,792.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.