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Finding the Third Proportional to 159,726,730 and 245,359,815

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Solution

The third proportional to 159,726,730 and 245,359,815 is: 376,902,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,726,730 : 245,359,815 = 245,359,815 : x
  2. Step 2: Convert to fraction form
    159,726,730/245,359,815 = 245,359,815/x
  3. Step 3: Cross multiply
    159,726,730x = 245,359,815 × 245,359,815
  4. Step 4: Simplify right side
    159,726,730x = 60,201,438,816,834,224
  5. Step 5: Solve for x
    x = 60,201,438,816,834,224/159,726,730
  6. Step 6: Final answer
    x = 376,902,718.89

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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.