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Finding the Third Proportional to 21,376,019 and 46,111,272

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Solution

The third proportional to 21,376,019 and 46,111,272 is: 99,468,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,019 : 46,111,272 = 46,111,272 : x
  2. Step 2: Convert to fraction form
    21,376,019/46,111,272 = 46,111,272/x
  3. Step 3: Cross multiply
    21,376,019x = 46,111,272 × 46,111,272
  4. Step 4: Simplify right side
    21,376,019x = 2,126,249,405,457,984
  5. Step 5: Solve for x
    x = 2,126,249,405,457,984/21,376,019
  6. Step 6: Final answer
    x = 99,468,914.46

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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.