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Finding the Third Proportional to 131,754,526 and 286,190,119

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Solution

The third proportional to 131,754,526 and 286,190,119 is: 621,646,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,754,526 : 286,190,119 = 286,190,119 : x
  2. Step 2: Convert to fraction form
    131,754,526/286,190,119 = 286,190,119/x
  3. Step 3: Cross multiply
    131,754,526x = 286,190,119 × 286,190,119
  4. Step 4: Simplify right side
    131,754,526x = 81,904,784,213,234,160
  5. Step 5: Solve for x
    x = 81,904,784,213,234,160/131,754,526
  6. Step 6: Final answer
    x = 621,646,835.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.