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Finding the Third Proportional to 10,489,788 and 16,200,432

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Solution

The third proportional to 10,489,788 and 16,200,432 is: 25,019,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,788 : 16,200,432 = 16,200,432 : x
  2. Step 2: Convert to fraction form
    10,489,788/16,200,432 = 16,200,432/x
  3. Step 3: Cross multiply
    10,489,788x = 16,200,432 × 16,200,432
  4. Step 4: Simplify right side
    10,489,788x = 262,453,996,986,624
  5. Step 5: Solve for x
    x = 262,453,996,986,624/10,489,788
  6. Step 6: Final answer
    x = 25,019,952.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.