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Finding the Third Proportional to 99,128,952 and 139,348,926

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Solution

The third proportional to 99,128,952 and 139,348,926 is: 195,887,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,128,952 : 139,348,926 = 139,348,926 : x
  2. Step 2: Convert to fraction form
    99,128,952/139,348,926 = 139,348,926/x
  3. Step 3: Cross multiply
    99,128,952x = 139,348,926 × 139,348,926
  4. Step 4: Simplify right side
    99,128,952x = 19,418,123,177,353,476
  5. Step 5: Solve for x
    x = 19,418,123,177,353,476/99,128,952
  6. Step 6: Final answer
    x = 195,887,505.98

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.