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Finding the Third Proportional to 10,358,520 and 15,681,564

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Solution

The third proportional to 10,358,520 and 15,681,564 is: 23,740,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,520 : 15,681,564 = 15,681,564 : x
  2. Step 2: Convert to fraction form
    10,358,520/15,681,564 = 15,681,564/x
  3. Step 3: Cross multiply
    10,358,520x = 15,681,564 × 15,681,564
  4. Step 4: Simplify right side
    10,358,520x = 245,911,449,486,096
  5. Step 5: Solve for x
    x = 245,911,449,486,096/10,358,520
  6. Step 6: Final answer
    x = 23,740,017.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.