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Finding the Third Proportional to 292,850,602 and 388,656,145

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Solution

The third proportional to 292,850,602 and 388,656,145 is: 515,804,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,850,602 : 388,656,145 = 388,656,145 : x
  2. Step 2: Convert to fraction form
    292,850,602/388,656,145 = 388,656,145/x
  3. Step 3: Cross multiply
    292,850,602x = 388,656,145 × 388,656,145
  4. Step 4: Simplify right side
    292,850,602x = 151,053,599,046,261,024
  5. Step 5: Solve for x
    x = 151,053,599,046,261,024/292,850,602
  6. Step 6: Final answer
    x = 515,804,297.53

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.