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Finding the Third Proportional to 10,838,988 and 15,851,520

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Solution

The third proportional to 10,838,988 and 15,851,520 is: 23,182,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838,988 : 15,851,520 = 15,851,520 : x
  2. Step 2: Convert to fraction form
    10,838,988/15,851,520 = 15,851,520/x
  3. Step 3: Cross multiply
    10,838,988x = 15,851,520 × 15,851,520
  4. Step 4: Simplify right side
    10,838,988x = 251,270,686,310,400
  5. Step 5: Solve for x
    x = 251,270,686,310,400/10,838,988
  6. Step 6: Final answer
    x = 23,182,116.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.