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Finding the Third Proportional to 14,642,440 and 21,424,660

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Solution

The third proportional to 14,642,440 and 21,424,660 is: 31,348,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642,440 : 21,424,660 = 21,424,660 : x
  2. Step 2: Convert to fraction form
    14,642,440/21,424,660 = 21,424,660/x
  3. Step 3: Cross multiply
    14,642,440x = 21,424,660 × 21,424,660
  4. Step 4: Simplify right side
    14,642,440x = 459,016,056,115,600
  5. Step 5: Solve for x
    x = 459,016,056,115,600/14,642,440
  6. Step 6: Final answer
    x = 31,348,331.02

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.