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Finding the Third Proportional to 10,561,782 and 15,990,657

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Solution

The third proportional to 10,561,782 and 15,990,657 is: 24,210,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,782 : 15,990,657 = 15,990,657 : x
  2. Step 2: Convert to fraction form
    10,561,782/15,990,657 = 15,990,657/x
  3. Step 3: Cross multiply
    10,561,782x = 15,990,657 × 15,990,657
  4. Step 4: Simplify right side
    10,561,782x = 255,701,111,291,649
  5. Step 5: Solve for x
    x = 255,701,111,291,649/10,561,782
  6. Step 6: Final answer
    x = 24,210,034.94

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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.