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Finding the Third Proportional to 7,959,245 and 12,623,403

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Solution

The third proportional to 7,959,245 and 12,623,403 is: 20,020,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959,245 : 12,623,403 = 12,623,403 : x
  2. Step 2: Convert to fraction form
    7,959,245/12,623,403 = 12,623,403/x
  3. Step 3: Cross multiply
    7,959,245x = 12,623,403 × 12,623,403
  4. Step 4: Simplify right side
    7,959,245x = 159,350,303,300,409
  5. Step 5: Solve for x
    x = 159,350,303,300,409/7,959,245
  6. Step 6: Final answer
    x = 20,020,781.28

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.