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Finding the Third Proportional to 6,487,709 and 9,125,778

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Solution

The third proportional to 6,487,709 and 9,125,778 is: 12,836,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487,709 : 9,125,778 = 9,125,778 : x
  2. Step 2: Convert to fraction form
    6,487,709/9,125,778 = 9,125,778/x
  3. Step 3: Cross multiply
    6,487,709x = 9,125,778 × 9,125,778
  4. Step 4: Simplify right side
    6,487,709x = 83,279,824,105,284
  5. Step 5: Solve for x
    x = 83,279,824,105,284/6,487,709
  6. Step 6: Final answer
    x = 12,836,553.57

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.