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Finding the Third Proportional to 7,878,306 and 17,136,974

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Solution

The third proportional to 7,878,306 and 17,136,974 is: 37,276,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,306 : 17,136,974 = 17,136,974 : x
  2. Step 2: Convert to fraction form
    7,878,306/17,136,974 = 17,136,974/x
  3. Step 3: Cross multiply
    7,878,306x = 17,136,974 × 17,136,974
  4. Step 4: Simplify right side
    7,878,306x = 293,675,877,876,676
  5. Step 5: Solve for x
    x = 293,675,877,876,676/7,878,306
  6. Step 6: Final answer
    x = 37,276,525.93

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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.