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Finding the Third Proportional to 90,875,168 and 195,607,168

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Solution

The third proportional to 90,875,168 and 195,607,168 is: 421,040,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,875,168 : 195,607,168 = 195,607,168 : x
  2. Step 2: Convert to fraction form
    90,875,168/195,607,168 = 195,607,168/x
  3. Step 3: Cross multiply
    90,875,168x = 195,607,168 × 195,607,168
  4. Step 4: Simplify right side
    90,875,168x = 38,262,164,172,980,224
  5. Step 5: Solve for x
    x = 38,262,164,172,980,224/90,875,168
  6. Step 6: Final answer
    x = 421,040,918.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.