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Finding the Third Proportional to 7,878,318 and 17,136,998

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Solution

The third proportional to 7,878,318 and 17,136,998 is: 37,276,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,318 : 17,136,998 = 17,136,998 : x
  2. Step 2: Convert to fraction form
    7,878,318/17,136,998 = 17,136,998/x
  3. Step 3: Cross multiply
    7,878,318x = 17,136,998 × 17,136,998
  4. Step 4: Simplify right side
    7,878,318x = 293,676,700,452,004
  5. Step 5: Solve for x
    x = 293,676,700,452,004/7,878,318
  6. Step 6: Final answer
    x = 37,276,573.56

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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.