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Finding the Third Proportional to 111,862,957 and 263,692,091

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Solution

The third proportional to 111,862,957 and 263,692,091 is: 621,595,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,862,957 : 263,692,091 = 263,692,091 : x
  2. Step 2: Convert to fraction form
    111,862,957/263,692,091 = 263,692,091/x
  3. Step 3: Cross multiply
    111,862,957x = 263,692,091 × 263,692,091
  4. Step 4: Simplify right side
    111,862,957x = 69,533,518,855,952,280
  5. Step 5: Solve for x
    x = 69,533,518,855,952,280/111,862,957
  6. Step 6: Final answer
    x = 621,595,573.02

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.