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Finding the Third Proportional to 17,974,980 and 39,312,864

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Solution

The third proportional to 17,974,980 and 39,312,864 is: 85,980,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,974,980 : 39,312,864 = 39,312,864 : x
  2. Step 2: Convert to fraction form
    17,974,980/39,312,864 = 39,312,864/x
  3. Step 3: Cross multiply
    17,974,980x = 39,312,864 × 39,312,864
  4. Step 4: Simplify right side
    17,974,980x = 1,545,501,275,882,496
  5. Step 5: Solve for x
    x = 1,545,501,275,882,496/17,974,980
  6. Step 6: Final answer
    x = 85,980,695.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.