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Finding the Third Proportional to 272,898,853 and 445,572,060

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Solution

The third proportional to 272,898,853 and 445,572,060 is: 727,501,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,898,853 : 445,572,060 = 445,572,060 : x
  2. Step 2: Convert to fraction form
    272,898,853/445,572,060 = 445,572,060/x
  3. Step 3: Cross multiply
    272,898,853x = 445,572,060 × 445,572,060
  4. Step 4: Simplify right side
    272,898,853x = 198,534,460,652,643,584
  5. Step 5: Solve for x
    x = 198,534,460,652,643,584/272,898,853
  6. Step 6: Final answer
    x = 727,501,997.43

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.