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Finding the Third Proportional to 6,965,520 and 10,553,418

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Solution

The third proportional to 6,965,520 and 10,553,418 is: 15,989,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965,520 : 10,553,418 = 10,553,418 : x
  2. Step 2: Convert to fraction form
    6,965,520/10,553,418 = 10,553,418/x
  3. Step 3: Cross multiply
    6,965,520x = 10,553,418 × 10,553,418
  4. Step 4: Simplify right side
    6,965,520x = 111,374,631,482,724
  5. Step 5: Solve for x
    x = 111,374,631,482,724/6,965,520
  6. Step 6: Final answer
    x = 15,989,420.96

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.