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Finding the Third Proportional to 21,508,420 and 34,074,006

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Solution

The third proportional to 21,508,420 and 34,074,006 is: 53,980,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,420 : 34,074,006 = 34,074,006 : x
  2. Step 2: Convert to fraction form
    21,508,420/34,074,006 = 34,074,006/x
  3. Step 3: Cross multiply
    21,508,420x = 34,074,006 × 34,074,006
  4. Step 4: Simplify right side
    21,508,420x = 1,161,037,884,888,036
  5. Step 5: Solve for x
    x = 1,161,037,884,888,036/21,508,420
  6. Step 6: Final answer
    x = 53,980,621.77

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.