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Finding the Third Proportional to 91,080,286 and 139,909,302

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Solution

The third proportional to 91,080,286 and 139,909,302 is: 214,916,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,080,286 : 139,909,302 = 139,909,302 : x
  2. Step 2: Convert to fraction form
    91,080,286/139,909,302 = 139,909,302/x
  3. Step 3: Cross multiply
    91,080,286x = 139,909,302 × 139,909,302
  4. Step 4: Simplify right side
    91,080,286x = 19,574,612,786,127,204
  5. Step 5: Solve for x
    x = 19,574,612,786,127,204/91,080,286
  6. Step 6: Final answer
    x = 214,916,022.40

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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.