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Finding the Third Proportional to 6,891,280 and 10,269,580

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Solution

The third proportional to 6,891,280 and 10,269,580 is: 15,304,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891,280 : 10,269,580 = 10,269,580 : x
  2. Step 2: Convert to fraction form
    6,891,280/10,269,580 = 10,269,580/x
  3. Step 3: Cross multiply
    6,891,280x = 10,269,580 × 10,269,580
  4. Step 4: Simplify right side
    6,891,280x = 105,464,273,376,400
  5. Step 5: Solve for x
    x = 105,464,273,376,400/6,891,280
  6. Step 6: Final answer
    x = 15,304,018.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.