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Finding the Third Proportional to 4,887,440 and 10,219,984

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Solution

The third proportional to 4,887,440 and 10,219,984 is: 21,370,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,440 : 10,219,984 = 10,219,984 : x
  2. Step 2: Convert to fraction form
    4,887,440/10,219,984 = 10,219,984/x
  3. Step 3: Cross multiply
    4,887,440x = 10,219,984 × 10,219,984
  4. Step 4: Simplify right side
    4,887,440x = 104,448,072,960,256
  5. Step 5: Solve for x
    x = 104,448,072,960,256/4,887,440
  6. Step 6: Final answer
    x = 21,370,712.06

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.