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Finding the Third Proportional to 3,112,890 and 6,816,270

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Solution

The third proportional to 3,112,890 and 6,816,270 is: 14,925,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,890 : 6,816,270 = 6,816,270 : x
  2. Step 2: Convert to fraction form
    3,112,890/6,816,270 = 6,816,270/x
  3. Step 3: Cross multiply
    3,112,890x = 6,816,270 × 6,816,270
  4. Step 4: Simplify right side
    3,112,890x = 46,461,536,712,900
  5. Step 5: Solve for x
    x = 46,461,536,712,900/3,112,890
  6. Step 6: Final answer
    x = 14,925,531.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.