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Finding the Third Proportional to 8,350,128 and 12,929,202

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Solution

The third proportional to 8,350,128 and 12,929,202 is: 20,019,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350,128 : 12,929,202 = 12,929,202 : x
  2. Step 2: Convert to fraction form
    8,350,128/12,929,202 = 12,929,202/x
  3. Step 3: Cross multiply
    8,350,128x = 12,929,202 × 12,929,202
  4. Step 4: Simplify right side
    8,350,128x = 167,164,264,356,804
  5. Step 5: Solve for x
    x = 167,164,264,356,804/8,350,128
  6. Step 6: Final answer
    x = 20,019,365.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.