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Finding the Third Proportional to 145,473,057 and 219,721,893

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Solution

The third proportional to 145,473,057 and 219,721,893 is: 331,867,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,473,057 : 219,721,893 = 219,721,893 : x
  2. Step 2: Convert to fraction form
    145,473,057/219,721,893 = 219,721,893/x
  3. Step 3: Cross multiply
    145,473,057x = 219,721,893 × 219,721,893
  4. Step 4: Simplify right side
    145,473,057x = 48,277,710,263,503,448
  5. Step 5: Solve for x
    x = 48,277,710,263,503,448/145,473,057
  6. Step 6: Final answer
    x = 331,867,022.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.