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Finding the Third Proportional to 17,128,836 and 25,220,133

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Solution

The third proportional to 17,128,836 and 25,220,133 is: 37,133,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128,836 : 25,220,133 = 25,220,133 : x
  2. Step 2: Convert to fraction form
    17,128,836/25,220,133 = 25,220,133/x
  3. Step 3: Cross multiply
    17,128,836x = 25,220,133 × 25,220,133
  4. Step 4: Simplify right side
    17,128,836x = 636,055,108,537,689
  5. Step 5: Solve for x
    x = 636,055,108,537,689/17,128,836
  6. Step 6: Final answer
    x = 37,133,586.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.