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Finding the Third Proportional to 153,966,115 and 318,845,846

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Solution

The third proportional to 153,966,115 and 318,845,846 is: 660,292,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,966,115 : 318,845,846 = 318,845,846 : x
  2. Step 2: Convert to fraction form
    153,966,115/318,845,846 = 318,845,846/x
  3. Step 3: Cross multiply
    153,966,115x = 318,845,846 × 318,845,846
  4. Step 4: Simplify right side
    153,966,115x = 101,662,673,511,455,712
  5. Step 5: Solve for x
    x = 101,662,673,511,455,712/153,966,115
  6. Step 6: Final answer
    x = 660,292,516.39

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.