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Finding the Third Proportional to 21,190,720 and 45,768,536

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Solution

The third proportional to 21,190,720 and 45,768,536 is: 98,852,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,190,720 : 45,768,536 = 45,768,536 : x
  2. Step 2: Convert to fraction form
    21,190,720/45,768,536 = 45,768,536/x
  3. Step 3: Cross multiply
    21,190,720x = 45,768,536 × 45,768,536
  4. Step 4: Simplify right side
    21,190,720x = 2,094,758,887,583,296
  5. Step 5: Solve for x
    x = 2,094,758,887,583,296/21,190,720
  6. Step 6: Final answer
    x = 98,852,652.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.