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Finding the Third Proportional to 83,599,316 and 129,126,522

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Solution

The third proportional to 83,599,316 and 129,126,522 is: 199,447,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,599,316 : 129,126,522 = 129,126,522 : x
  2. Step 2: Convert to fraction form
    83,599,316/129,126,522 = 129,126,522/x
  3. Step 3: Cross multiply
    83,599,316x = 129,126,522 × 129,126,522
  4. Step 4: Simplify right side
    83,599,316x = 16,673,658,683,816,484
  5. Step 5: Solve for x
    x = 16,673,658,683,816,484/83,599,316
  6. Step 6: Final answer
    x = 199,447,309.88

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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.