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Finding the Third Proportional to 8,931,708 and 19,375,732

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Solution

The third proportional to 8,931,708 and 19,375,732 is: 42,032,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,708 : 19,375,732 = 19,375,732 : x
  2. Step 2: Convert to fraction form
    8,931,708/19,375,732 = 19,375,732/x
  3. Step 3: Cross multiply
    8,931,708x = 19,375,732 × 19,375,732
  4. Step 4: Simplify right side
    8,931,708x = 375,418,990,535,824
  5. Step 5: Solve for x
    x = 375,418,990,535,824/8,931,708
  6. Step 6: Final answer
    x = 42,032,161.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.