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Finding the Third Proportional to 17,128,830 and 25,220,124

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Solution

The third proportional to 17,128,830 and 25,220,124 is: 37,133,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128,830 : 25,220,124 = 25,220,124 : x
  2. Step 2: Convert to fraction form
    17,128,830/25,220,124 = 25,220,124/x
  3. Step 3: Cross multiply
    17,128,830x = 25,220,124 × 25,220,124
  4. Step 4: Simplify right side
    17,128,830x = 636,054,654,575,376
  5. Step 5: Solve for x
    x = 636,054,654,575,376/17,128,830
  6. Step 6: Final answer
    x = 37,133,572.73

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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.