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Finding the Third Proportional to 78,146,968 and 114,879,004

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Solution

The third proportional to 78,146,968 and 114,879,004 is: 168,876,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,146,968 : 114,879,004 = 114,879,004 : x
  2. Step 2: Convert to fraction form
    78,146,968/114,879,004 = 114,879,004/x
  3. Step 3: Cross multiply
    78,146,968x = 114,879,004 × 114,879,004
  4. Step 4: Simplify right side
    78,146,968x = 13,197,185,560,032,016
  5. Step 5: Solve for x
    x = 13,197,185,560,032,016/78,146,968
  6. Step 6: Final answer
    x = 168,876,488.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.