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Finding the Third Proportional to 90,744,777 and 139,481,264.25

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Solution

The third proportional to 90,744,777 and 139,481,264.25 is: 214,392,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744,777 : 139,481,264.25 = 139,481,264.25 : x
  2. Step 2: Convert to fraction form
    90,744,777/139,481,264.25 = 139,481,264.25/x
  3. Step 3: Cross multiply
    90,744,777x = 139,481,264.25 × 139,481,264.25
  4. Step 4: Simplify right side
    90,744,777x = 19,455,023,076,778,328
  5. Step 5: Solve for x
    x = 19,455,023,076,778,328/90,744,777
  6. Step 6: Final answer
    x = 214,392,758.68

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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.