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Finding the Third Proportional to 102,657,186 and 213,805,926

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Solution

The third proportional to 102,657,186 and 213,805,926 is: 445,297,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,657,186 : 213,805,926 = 213,805,926 : x
  2. Step 2: Convert to fraction form
    102,657,186/213,805,926 = 213,805,926/x
  3. Step 3: Cross multiply
    102,657,186x = 213,805,926 × 213,805,926
  4. Step 4: Simplify right side
    102,657,186x = 45,712,973,992,717,472
  5. Step 5: Solve for x
    x = 45,712,973,992,717,472/102,657,186
  6. Step 6: Final answer
    x = 445,297,360.80

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.