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Finding the Third Proportional to 21,309,636 and 46,024,239

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Solution

The third proportional to 21,309,636 and 46,024,239 is: 99,402,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,309,636 : 46,024,239 = 46,024,239 : x
  2. Step 2: Convert to fraction form
    21,309,636/46,024,239 = 46,024,239/x
  3. Step 3: Cross multiply
    21,309,636x = 46,024,239 × 46,024,239
  4. Step 4: Simplify right side
    21,309,636x = 2,118,230,575,529,121
  5. Step 5: Solve for x
    x = 2,118,230,575,529,121/21,309,636
  6. Step 6: Final answer
    x = 99,402,475.74

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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.