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Finding the Third Proportional to 63,611,618,654 and 138,393,243,580

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Solution

The third proportional to 63,611,618,654 and 138,393,243,580 is: 301,087,918,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,611,618,654 : 138,393,243,580 = 138,393,243,580 : x
  2. Step 2: Convert to fraction form
    63,611,618,654/138,393,243,580 = 138,393,243,580/x
  3. Step 3: Cross multiply
    63,611,618,654x = 138,393,243,580 × 138,393,243,580
  4. Step 4: Simplify right side
    63,611,618,654x = 19,152,689,868,593,210,327,040
  5. Step 5: Solve for x
    x = 19,152,689,868,593,210,327,040/63,611,618,654
  6. Step 6: Final answer
    x = 301,087,918,745.94

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.