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Finding the Third Proportional to 4,575,212 and 9,903,508

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Solution

The third proportional to 4,575,212 and 9,903,508 is: 21,437,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575,212 : 9,903,508 = 9,903,508 : x
  2. Step 2: Convert to fraction form
    4,575,212/9,903,508 = 9,903,508/x
  3. Step 3: Cross multiply
    4,575,212x = 9,903,508 × 9,903,508
  4. Step 4: Simplify right side
    4,575,212x = 98,079,470,706,064
  5. Step 5: Solve for x
    x = 98,079,470,706,064/4,575,212
  6. Step 6: Final answer
    x = 21,437,142.30

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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.